Flop nut flush, play on river when worried about straight flush?

How would you handle the river? No reads on MP as it's early in the tourney. Thanks.

PokerStars No-Limit Hold'em Tourney, Big Blind is t30 (8 handed) converter

Hero (t2070)
BB (t1310)
UTG (t5965)
UTG+1 (t1205)
MP1 (t2180)
MP2 (t875)
CO (t1710)
Button (t615)

Preflop: Hero is SB with A[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/spade.gif[/img].
<font color="#666666">2 folds</font>, MP1 calls t30, <font color="#666666">3 folds</font>, Hero completes, BB checks.

Flop: (t90) 5[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, <font color="#CC3333">BB bets t60</font>, MP1 calls t60, Hero calls t60.

Turn: (t270) T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, BB checks, <font color="#CC3333">MP1 bets t200</font>, Hero calls t200, BB folds.

River: (t670) 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>