TT in LP vs. raise

[housenuts]

PokerStars No-Limit Hold'em Tourney, Big Blind is t150 (9 handed) converter

BB (t6050)
UTG (t8570)
UTG+1 (t10135)
MP1 (t7870)
MP2 (t8415)
MP3 (t3350)
Hero (t8270)
Button (t3950)
SB (t4250)

Preflop: Hero is CO with T[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/club.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">MP3 raises to t600</font>, Hero calls t600, Button calls t600, <font color="#666666">2 folds</font>.

Flop: (t2025) 6[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
MP3 checks, <font color="#CC3333">Hero bets t750</font>, Button folds, MP3 calls t750.

Turn: (t3525) K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
MP3 checks, Hero checks.

River: (t3525) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: t3525

rebuy period just ended. this is probably the 3rd hand. i don't really have any reads. should i re-raise preflop? all-in?

what about the flop bet? (i guess i should bet more to force out flush draws)
should i continue with aggression or slow down?