Poker Room skin
Pot Limit Holdem Ring game
Blinds: $0.25/$0.25
8 players
Converter

Stack sizes:
UTG: $39.35
UTG+1: $12.20
MP1: $19.20
MP2: $24.25
CO: $17.75
Button: $30.60
SB: $19.55
hero: $22.70

Pre-flop: (8 players) hero is BB with :10c
UTG calls, 2 folds, MP2 calls, CO calls, SB checks, hero checks.

Flop: ($1.25, 5 players)
SB checks, hero checks, UTG checks, MP2 checks, CO bets $0.5, SB folds, hero calls, 2 folds.

Turn: ($2.25, 2 players)
hero bets $1, CO calls.

River: ($4.25, 2 players)
hero bets $4.25, CO raises to $8.5, hero calls.

Results:
Final pot: $21.25
CO bet 10.25 collected 20.75 net 10.50 shows 3h Ad

I don't think I should have called the flop bet, I think my turn bet was decent, but should I have called on the river?