1/2 6max 56s flopping flush, turning turning pair

[fretelöo]

At the time of play, I had no reads whatsoever. I sat down very recently before that hand.

Absolute Poker
Limit Holdem Ring game
Limit: $1/$2
6 players
Converter

Pre-flop: (6 players) Hero is Button with 5[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/spade.gif[/img]
UTG calls, 2 folds, Hero calls, SB calls, BB checks.

Flop: A[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/spade.gif[/img] (4SB, 4 players)
SB checks, BB checks, UTG checks, <font color="#cc0000">Hero bets</font>, SB calls, BB calls, UTG folds.

Turn: 5[img]/images/graemlins/diamond.gif[/img] (3.5BB, 3 players)
SB checks, BB checks, Hero ???

I have a added a few more outs to my hand, but certainly not 1/3 of the remaining deck. So, should I bet again, or be happy with the free card?