set vs. flush that hit on river... possible to lay it down?18k gtd

[The_Bao]

hand from the 27.50 18k GTD on stars.

don’t remember exact stats on villain but I had seen him chase before. I remember he had played about 50% of his hands. can I fold this after investing so many chips?

PokerStars No-Limit Hold'em Tourney, Big Blind is t30 (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

saw flop|<font color="#C00000">saw showdown</font>

<font color="#C00000">Button (t3965)</font>
SB (t4265)
BB (t3295)
UTG (t5215)
UTG+1 (t3055)
MP1 (t4220)
<font color="#C00000">Hero (t2445)</font>
MP3 (t1355)
CO (t4845)

Preflop: Hero is MP2 with Q[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/club.gif[/img].
UTG calls t30, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to t120</font>, <font color="#666666">2 folds</font>, Button calls t120, <font color="#666666">2 folds</font>, UTG calls t90.

Flop: (t405) Q[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
UTG checks, <font color="#CC3333">Hero bets t375</font>, Button calls t375, UTG folds.

Turn: (t1155) 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t800</font>, Button calls t800.

River: (t2755) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets t2670 (All-In)</font>, Hero wonders wtf to do???