Hand 1) I don't think I maximized my profit on this hand, please let me know what I need to change.

PokerStars Game #9143389050: Hold'em No Limit ($0.02/$0.05) - 2007/03/29 - 03:10:17 (ET)
Table 'Anser III' 9-max Seat #8 is the button
Seat 1: Traxx_81 ($5.07 in chips)
Seat 2: TheTrader789 ($2.95 in chips)
Seat 3: LordClutch ($9.28 in chips)
Seat 4: cmw739 ($3.08 in chips)
Seat 5: 1ch1 ($3.10 in chips)
Seat 6: ScareyGirl ($19.41 in chips)
Seat 7: pokerlkdh ($10.06 in chips)
Seat 8: Pythonic ($10.83 in chips)
Seat 9: bluefishhh ($11.46 in chips)
bluefishhh: posts small blind $0.02
Traxx_81: posts big blind $0.05
*** HOLE CARDS ***
Dealt to Pythonic [2d Ad]
TheTrader789: calls $0.05
Pythonic: calls $0.05
bluefishhh: calls $0.03
Traxx_81: checks
*** FLOP *** [6d 4d Qd]
bluefishhh: bets $0.10
Traxx_81: folds
TheTrader789: folds
Pythonic: raises $0.20 to $0.30
bluefishhh: folds
Pythonic collected $0.40 from pot
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Hand 2) Villian is somewhat tight. Should I have called or got out right away to avoid higher kicker?

PokerStars Game #9143326816: Hold'em No Limit ($0.02/$0.05) - 2007/03/29 - 03:01:03 (ET)
Table 'Circe IV' 9-max Seat #6 is the button
Seat 1: Jimi71 ($3.09 in chips)
Seat 2: ThaMovement ($6.58 in chips)
Seat 3: the hef ($5.26 in chips)
Seat 4: pokerlkdh ($12.09 in chips)
Seat 5: xeniakid54 ($13.76 in chips)
Seat 6: jal355 ($7.45 in chips)
Seat 7: Mr.Bass.ManB ($11.25 in chips)
Seat 8: Pythonic ($5.64 in chips)
Seat 9: automatic111 ($3.17 in chips)
Mr.Bass.ManB: posts small blind $0.02
Pythonic: posts big blind $0.05
*** HOLE CARDS ***
Dealt to Pythonic [Ks 8d]
pokerlkdh: calls $0.05
jal355: calls $0.05
Mr.Bass.ManB: calls $0.03
Pythonic: checks
*** FLOP *** [Kc 3c Th]
Mr.Bass.ManB: checks
PokerNSleep joins the table at seat #9
Pythonic: checks
pokerlkdh: bets $0.15
jal355: folds
Mr.Bass.ManB: folds
jal355 leaves the table
Pythonic said, "K8 nh"
Pythonic: folds
pokerlkdh collected $0.20 from pot
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Hand 3) Folding on the river was a good choice right?

PokerStars Game #9143397948: Hold'em No Limit ($0.02/$0.05) - 2007/03/29 - 03:11:38 (ET)
Table 'Alrisha II' 9-max Seat #9 is the button
Seat 1: Pythonic ($10.96 in chips)
Seat 2: scozzzzz ($17.62 in chips)
Seat 3: Papa Q ($8.99 in chips)
Seat 4: skip821 ($9.09 in chips)
Seat 5: cmw739 ($3.99 in chips)
Seat 6: MastaBlasta4 ($6.13 in chips)
Seat 7: Relinquish ($14.16 in chips)
Seat 8: pokerlkdh ($11.66 in chips)
Seat 9: bluefishhh ($10.77 in chips)
Pythonic: posts small blind $0.02
scozzzzz: posts big blind $0.05
*** HOLE CARDS ***
Dealt to Pythonic [3d Ad]
Papa Q: calls $0.05
MastaBlasta4: calls $0.05
bluefishhh: calls $0.05
Pythonic: calls $0.03
scozzzzz: checks
*** FLOP *** [As Jc 3s]
Pythonic: bets $0.15
scozzzzz: calls $0.15
Papa Q: calls $0.15
MastaBlasta4: folds
bluefishhh: folds
*** TURN *** [As Jc 3s] [Js]
Pythonic: checks
scozzzzz: checks
Papa Q: checks
*** RIVER *** [As Jc 3s Js] [Tc]
Pythonic: checks
scozzzzz: checks
Papa Q: bets $0.65
Pythonic: folds
scozzzzz: folds
Pythonic said, "A3 no good anymore"
Papa Q collected $0.70 from pot