JJ and Flush Draw on a 3 Suited Board with a Queen

[joker 77]

Poker Stars
Limit Holdem Ring game
Limit: $0.25/$0.5
10 players
Converter

Pre-flop: (10 players) Hero is MP3 with J[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/diamond.gif[/img]
UTG folds, UTG+1 calls, 3 folds, <font color="#cc0000">Hero raises</font>, 2 folds, SB calls, BB folds, UTG+1 calls.

Flop: 8[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/diamond.gif[/img] (7SB, 3 players)
SB checks, <font color="#cc0000">UTG+1 bets</font>, <font color="#cc0000">Hero raises</font>, SB calls, UTG+1 calls.

Turn: Q[img]/images/graemlins/diamond.gif[/img] (6.5BB, 3 players)
<font color="#cc0000">SB bets</font>, UTG+1 calls, Hero ???

Downcall or not?