Tough spot with QQ

[RivrMeaDream]

9-max Seat #2 is the button

Had just started my session and no effective reads on either oppenent.

Seat 4: RivrMeADream ($100 in chips)
Seat 8: Szu_KK ($49.55 in chips)
Seat 9: ole1159 ($65.90 in chips)

HERO posts big blind $1

*** HOLE CARDS ***
Dealt to HERO [Qd Qc]
MP: raises $1 to $2
CO: calls $2
HERO (BB): raises $6 to $8
MP: folds
CO: calls $6

*** FLOP *** [7h 3h 9d] POT [$16]
HERO: bets $12
villain: calls $12

*** TURN *** [7h 3h 9d] [Js] POT [40]
HERO checks
villain: bets $15 (with 30 left in his stack)
HERO ?????