Villein was 9/9 over 10 hands.

Not used to people being aggro in 3bet pots. Thoughts?

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) - PokerStars Converter Tool from FlopTurnRiver.com

MP ($14.90)
CO ($28.28)
Button ($14.58)
SB ($39.76)
Hero (BB) ($25)
UTG ($26.13)

Preflop: Hero is BB with K, K
2 folds, CO bets $0.75, 2 folds, Hero raises to $2.75, CO calls $2

Flop: ($5.60) 5, 10, J (2 players)
Hero bets $4, CO raises to $25.53 (All-In), Hero ?????