How bad is that, should i fold after flop reraise? What's your line here?
Villain is 18/16, 43 hands.

PokerStars No-Limit Hold'em, $0.10 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: ITH Forums)

Hero ($11.25)
Button ($8.95)
SB ($13.10)
BB ($9.55)
UTG ($9.85)
MP ($3.80)

Preflop: Hero is CO with , .
1 fold, MP calls $0.10, Hero raises to $0.5, Button calls $0.50, 2 folds, MP calls $0.40.

Flop: ($1.65) , , (3 players)
MP checks, Hero bets $1.2, Button raises to $3.3, MP folds, Hero calls $2.10.

Turn: ($8.25) (2 players)
Hero checks, Button bets $5.15 (All-In), Hero calls $5.15.

River: ($0) (2 players, 1 all-in)

Final Pot: $18.55