Hand 1: Villain is 23/10/3.6
Is the river way too thin? I thought his small bet is either a blocking bet or a "I have the nuts please call" bet
After his 3-bet I found out it was the latter

Full Tilt No-Limit Hold'em, $0.10 BB (9 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

BB ($14.80)
UTG ($11.70)
UTG+1 ($2.25)
MP1 ($10)
MP2 ($10)
MP3 ($5.45)
Hero (CO) ($20.60)
Button ($14)
SB ($2.85)

Preflop: Hero is CO with 7, 7
2 folds, MP1 calls $0.10, 2 folds, Hero raises to $0.45, 3 folds, MP1 calls $0.35

Flop: ($1.05) 7, A, 6 (2 players)
MP1 bets $0.30, Hero calls $0.30

Turn: ($1.65) 10 (2 players)
MP1 checks, Hero bets $0.90, MP1 calls $0.90

River: ($3.45) 8 (2 players)
MP1 bets $0.40, Hero raises to $1.90, MP1 raises to $5, Hero folds

Total pot: $7.25 | Rake: $0.70

Hand 2:
All-in villain is an unknown
The fish who folded is 72/20/0.8
Full Tilt Pot-Limit Hold'em, $0.10 BB (8 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

CO ($2.35)
Button ($4.75)
Hero (SB) ($11.45)
BB ($5)
UTG ($1.85)
UTG+1 ($11.20)
MP1 ($2)
MP2 ($1.85)

Preflop: Hero is SB with 2, A
4 folds, CO calls $0.10, 1 fold, Hero calls $0.05, BB checks

Flop: ($0.30) 5, 6, A (3 players)
Hero bets $0.20, BB calls $0.20, CO calls $0.20

Turn: ($0.90) 9 (3 players)
Hero bets $0.60, BB calls $0.60, CO raises to $2.05 (All-In), Hero calls $1.45, BB calls $1.45

River: ($7.05) K (3 players, 1 all-in)
Hero bets $3, 1 fold

Total pot: $7.05 | Rake: $0.70