Game #1304219942 - (blinds $0.05/$0.10) No Limit Texas Hold'em - 2006/02/22-12:40:57.1 (CST) Table "Rakahanga" (real money) -- Seat 1 is the button Seat 1: assissagy ($4.06 in chips) Seat 4: Piniu ($10.85 in chips) Seat 5: redgrape ($11.70 in chips) Seat 6: Lammertje ($4.75 in chips) Seat 7: POP2213 ($4.00 in chips) Seat 8: Silk Road ($6.84 in chips) Seat 9: sparky16 ($4.32 in chips) Seat 10: justintjarvis ($15.88 in chips)
Piniu : Post Small Blind ($0.05)
redgrape: Post Big Blind ($0.10)
POP2213 : Post ($0.10)
Dealing...
Dealt to redgrape [ Ad ]
Dealt to redgrape [ Kd ]
Lammertje: Call ($0.10)
POP2213 : Check
Silk Road: Fold
sparky16: Fold
justintjarvis: Raise ($0.20)
assissagy: Fold
Piniu : Raise ($0.25)
redgrape: Raise ($1)
Lammertje: Fold
POP2213 : Fold
justintjarvis: Call ($0.90)
Piniu : Call ($0.80)
*** FLOP *** : [ 3c Kh 2s ]
Piniu : Check
redgrape: Bet ($1.60)
justintjarvis: Call ($1.60)
Piniu : Fold
*** TURN *** : [ 3c Kh 2s ] [ Qh ]
redgrape: Bet ($4)
justintjarvis: Raise ($13.18)
redgrape: ???

I just couldn't see how the Q improved his hand!? If he had KQ he'd probably raise. if he's slowplaying he'd probably call again on the turn, since i'm committed. What do you do?