I'm leaning towards a fold here, because villain might have slowplayed a set since the flop is relatively dry. Also i have the lowest 2 pair, so any other 2pair could have me beat

PokerStars No-Limit Hold'em, $0.05 BB (7 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com



CO ($10.96)
Button ($9.70)
SB ($1.95)
Hero (BB) ($2.57)
UTG ($9.54)
MP1 ($6.38)
MP2 ($1.40)

Preflop: Hero is BB with 3, 2
1 fold, MP1 calls $0.05, 1 fold, CO calls $0.05, 1 fold, SB calls $0.03, Hero checks

Flop: ($0.20) 6, K, 2 (4 players)
SB checks, Hero checks, MP1 checks, CO checks

Turn: ($0.20) 3 (4 players)
SB checks, Hero bets $0.20, 1 fold, CO calls $0.20, 1 fold

River: ($0.60) 8 (2 players)
Hero bets $0.30, CO raises to $2.32, Hero????