50NL, standard or not ?

[pokerfan]

hand 1: villian seems an unknown fish. Im just not sure whether i should shove or just make 1/2-2/3 PSB on the river.
No-Limit Hold'em, $0.50 BB (9 handed) - Hold'em Manager Converter Tool from FlopTurnRiver.com

Hero (BB) ($95.85)
UTG ($39.15)
UTG+1 ($55.90)
MP1 ($50)
MP2 ($45.15)
MP3 ($53.05)
CO ($51.50)
Button ($56.25)
SB ($50)

Preflop: Hero is BB with Q, A
3 folds, MP2 calls $0.50, 4 folds, Hero bets $2, MP2 calls $2

Flop: ($5.25) 8, A, 7 (2 players)
Hero bets $3.50, MP2 calls $3.50

Turn: ($12.25) 2 (2 players)
Hero bets $7.50, MP2 calls $7.50

River: ($27.25) 5 (2 players)
Hero bets $82.35 (All-In)

Total pot: $90.55

hand 2: villian is 12/8/3 with 3% 3 bet total over 320 hands.Can we fold at any point in this hand? He repped so little that i was hard pressed to find the fold button.
No-Limit Hold'em, $0.50 BB (7 handed) - Hold'em Manager Converter Tool from FlopTurnRiver.com

MP1 ($29.05)
MP2 ($58.45)
CO ($50.75)
Hero (Button) ($50)
SB ($52.70)
BB ($112.90)
UTG ($35.65)

Preflop: Hero is Button with A, A
4 folds, Hero bets $1.50, SB calls $1.25, BB calls $1

Flop: ($4.50) 6, 6, Q (3 players)
SB checks, BB checks, Hero bets $3, 1 fold, BB raises $10, Hero calls $7

Turn: ($24.50) 2 (2 players)
BB bets $15, Hero calls $15

River: ($54.50) 8 (2 players)
BB bets $24, Hero calls $23.50 (All-In)

Total pot: $101.50