$11 How to handle under-paired board on flop

PokerStars No-Limit Hold'em Tourney, Big Blind is t100 (8 handed) FTR converter on zerodivide.cx

MP1 (t1395)
MP2 (t1820)
CO (t410)
Button (t1660)
SB (t1025)
Hero (t1455)
UTG (t1890)
UTG+1 (t3845)

Preflop: Hero is BB with Q[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/club.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls t100, <font color="#666666">5 folds</font>, Hero checks.

Flop: (t250) J[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t200</font>, UTG+1 calls t200.

Turn: (t650) 5[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t400</font>, <font color="#CC3333">UTG+1 raises to t800</font>, <font color="#CC3333">Hero raises to t1155</font>, UTG+1 calls t355.

Too agro on the turn? I still feel good about this play, but am curious about anyone's else feel.

The flat call on the flop worried me about him slowplaying, but the min-raise seemed really weak. But then again... he could've just been trying to build the pot.

Thoughts?