NL25: Flopped Nut-Str8 vs. turn raise

[eglifish]

PokerStars No-Limit Hold'em, $0.25 BB (8 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com



saw flop

Button ($25)
SB ($25)
BB ($26.30)
UTG ($26.25)
Hero (UTG+1) ($28.95)
MP1 ($28.35)
MP2 ($15.20)
CO ($34.85)



Preflop: Hero is UTG+1 with Q, K
1 fold, Hero calls $0.25, 5 folds, BB bets $0.75, Hero calls $0.50

Flop: ($1.60) 10, J, 9 (2 players)
BB bets $1, Hero raises to $3, BB calls $2

Turn: ($7.60) 7 (2 players)
BB checks, Hero bets $4, BB raises to $12, Hero ???

Villain spielt eher loose, schon 1 Stack "vergamblet".

Flop ok ?
Was soll Hero hier am Turn tun ?