Can i lay down my flush?

[recallme]

Poker Stars
No Limit Holdem Ring game
Blinds: $10/$20
4 players
Converter

Stack sizes:
UTG: $2109
Button: $953.20
hero: $1980
BB: $2365

Pre-flop: (4 players) hero is SB with 7[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/diamond.gif[/img]
UTG folds, <font color="#cc0000">Button raises to $40</font>, hero calls, BB folds.

Flop: J[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/diamond.gif[/img] ($100, 2 players)
<font color="#cc0000">hero bets $65</font>, Button calls.

Turn: 2[img]/images/graemlins/diamond.gif[/img] ($230, 2 players)
<font color="#cc0000">hero bets $170</font>, <font color="#cc0000">Button raises to $340</font>.

Villain is loose passive, no further read