50+5 too eager or just right?

FullTiltPoker Game #225211953: $50 + $5 Sit & Go (1435581), Table 1 - 15/30 - No Limit Hold'em - 18:40:47 ET - 2005/09/20
Seat 1: lp2 (1,485)
Seat 2: button (1,500)
Seat 3: sb (1,470)
Seat 4: bb (1,500)
Seat 5: utg (1,500)
Seat 6: utg2 (1,470)
Seat 7: hero(1,470)
Seat 8: mp2 (1,500)
Seat 9: lp1 (1,605)

The button is in seat #2
*** HOLE CARDS ***
Dealt to hero [Q [img]/images/graemlins/spade.gif[/img] Q [img]/images/graemlins/club.gif[/img]]
utg folds
utg2 calls 30
hero raises to 135
mp2 calls 135
lp folds
lp2 folds
button calls 120
sb calls 120
bb calls 105
*** FLOP *** [5 [img]/images/graemlins/spade.gif[/img] 5 [img]/images/graemlins/diamond.gif[/img] 6 [img]/images/graemlins/diamond.gif[/img]]
sb checks
bb checks
hero bets 1,335, and is all in
mp2 folds
lp calls 1,335, and is all in
button folds
sb folds
bb folds

With this many players in preflop should i have slowed down, and maybe made a standard bet on the flop? Did i overplay it in any way? Or should i have played it differently. Ur responses will be much appreciated.