No stats on villain I'm afraid. Any general comments on my (not wonderful) play most welcome, I'm fairly sure I should be betting more on the turn? Are we folding here or do we kind of have to pay this off?

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

saw flop

UTG+1 ($2.65)
MP1 ($9.95)
Hero (MP2) ($10.90)
MP3 ($3.80)
CO ($11.40)
Button ($10)
SB ($12.40)
BB ($11)
UTG ($11.30)

Preflop: Hero is MP2 with ,
3 folds, Hero bets $0.40, 1 fold, CO calls $0.40, Button calls $0.40, 2 folds

Flop: ($1.35) , , (3 players)
Hero bets $1.10, CO calls $1.10, 1 fold

Turn: ($3.55) (2 players)
Hero bets $1.90, CO calls $1.90

River: ($7.35) (2 players)
Hero bets $4, CO raises to $8 (All-In)

Hero?