Should I have just pushed pf?

[Bluff Daddy]

Party Poker No-Limit Hold'em Tourney, Big Blind is t100 (7 handed) FTR converter on zerodivide.cx

SB (t1170)
Hero (t700)
UTG (t680)
MP1 (t1075)
MP2 (t1825)
CO (t1045)
Button (t1505)

Preflop: Hero is BB with T[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/spade.gif[/img].
<font color="#666666">5 folds</font>, SB completes, <font color="#CC3333">Hero raises to t300</font>, SB calls t200.

Flop: (t600) A[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, SB calls t400.

Turn: (t1000) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>

River: (t1000) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: t1000

Im thinking maybe I should have just pushed pf, how about the push on the flop? and if you can guess what villain has ill give you a $1 [img]/images/graemlins/smile.gif[/img]