I have no clue how to continue (UB 100)

[Bond18]

17k guarantee. Early.
Stacks:
Me: 2300
Raiser: 2400
Caller: 3100

I hold J [img]/images/graemlins/diamond.gif[/img] J [img]/images/graemlins/heart.gif[/img] on button
Blinds 15/30, i've been tightish.


Preflop: UTG folds, UTG+1 calls, folds to MP2, MP2 calls, hijack calls, CO raises to 165, hero calls, folds back to hijack, hijack calls.

Flop: Q [img]/images/graemlins/diamond.gif[/img] Q [img]/images/graemlins/heart.gif[/img] 8 [img]/images/graemlins/spade.gif[/img] (pot 570)
Hijack checks, CO breifly pauses then bets pot of 570, hero?