Party Poker (9 handed) converter

Button is TAP.

Preflop: Hero is BB with 9[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/club.gif[/img].
<font color="#666666">3 folds</font>, Hero checks.

Flop: T[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(6 players)</font>
SB checks, Hero checks, UTG checks, MP1 checks, MP2 checks, Button checks.

Turn: A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(6 players)</font>
SB checks, Hero checks, UTG checks, MP1 checks, MP2 checks, Button Bets, SB folds, Hero folds, UTG folds, MP1 folds, MP2 folds.


I found it very reasonable that he had an Ace. Should I have bet the flop or what?