Having some troubles with some Pocket pairs. Winning the least/Losing the most etc.

1) Villain is average table donk. 53/11ish.

Party Poker No-Limit Hold'em, $ BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($210.31)
Hero ($242.45)
Button ($104.72)
SB ($177.90)
BB ($162.50)

Preflop: Hero is MP with T, T. SB posts a blind of $1.
UTG calls $2, Hero raises to $10, 1 fold, SB (poster) calls $9, BB calls $8, UTG calls $8.

Flop: ($40) 6, 4, Q (4 players)
SB checks, BB checks, UTG checks, Hero checks.

Turn: ($40) Q (4 players)
SB checks, BB checks, UTG bets $20, Hero calls $20, SB folds, BB folds.

River: ($80) 8 (2 players)
UTG checks, Hero checks.

Final Pot: $80

2) Same Villain:

Party Poker No-Limit Hold'em, $ BB (4 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

BB ($112.68)
Hero ($321.70)
Button ($182.85)
SB ($186.13)

Preflop: Hero is UTG with 9, 9. SB posts a blind of $1.
Hero raises to $8, Button calls $8, SB (poster) calls $7, BB calls $6.

Flop: ($32) 4, 6, 6 (4 players)
SB checks, BB checks, Hero bets $22, Button folds, SB folds, BB calls $22.

Turn: ($76) 3 (2 players)
BB checks, Hero checks.

River: ($76) K (2 players)
BB bets $40, Hero calls $40.

Final Pot: $156

3) CO is same villain from above, I'm fairly sure he's calling the bet as well. I figured against the shorty I may actually have equity here and am not set camping.

Party Poker No-Limit Hold'em, $ BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

CO ($131.68)
Button ($47.25)
Hero ($267.95)
BB ($173.53)
UTG ($186.85)
MP ($172.93)

Preflop: Hero is SB with 8, 8. CO posts a blind of $2. Hero posts a blind of $1.
2 folds, CO (poster) checks, Button raises to $8, Hero (poster) calls $7, 1 fold, CO calls $6.

Flop: ($26) 3, 9, 9 (3 players)
Hero checks, CO checks, Button bets $10, Hero calls $10, CO folds.

Turn: ($46) 2 (2 players)
Hero checks, Button bets $18, Hero calls $18.

River: ($82) Deleted for unbiased results (2 players)
Hero bets $12, Button calls $11.25 (All-In).

Final Pot: $105.25