1) PokerStars No-Limit Hold'em, $0.50 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG+1 ($52.20)
MP1 ($55.55)
MP2 ($14.35)
CO ($63.60)
Button ($9.25)
SB ($25.85)
Hero ($93.55)
UTG ($72.55)

Preflop: Hero is BB with 3, 6.
2 folds, MP1 calls $0.50, MP2 calls $0.50, 1 fold, Button calls $0.50, SB completes, Hero checks.

Flop: ($2.50) Q, 3, 6 (5 players)
SB bets $1.5, Hero raises to $5, MP1 calls $5, MP2 folds, Button folds, SB folds.

Turn: ($14) T (2 players)
Hero bets $15, MP1 calls $15.

River: ($44) 8 (2 players)
Hero checks, MP1 checks.

Final Pot: $44

Did I miss a value bet on the river or was the check ok

2)PokerStars No-Limit Hold'em, $0.50 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

CO ($20)
Hero ($88.55)
SB ($62.35)
BB ($98.80)
UTG ($62.65)
UTG+1 ($18.60)
MP1 ($11.25)
MP2 ($48.75)

Preflop: Hero is Button with Q, J. CO posts a blind of $0.50.
1 fold, UTG+1 raises to $1.5, 3 folds, Hero calls $1.50, 2 folds.

Flop: ($4.25) K, 9, K (2 players)
UTG+1 bets $1, Hero calls $1.

Turn: ($6.25) 8 (2 players)
UTG+1 bets $1.5, Hero calls $1.50.

River: ($9.25) J (2 players)
UTG+1 bets $4, Hero raises to $20, UTG+1 calls $10.60 (All-In).

Final Pot: $43.85

I dont know if it was correct to put the guy allin on the river