Thoughts on this top pair hand? PS 5.50

[Karak567]

One of the first hands of the tourney. Should I not have even limped with JQ? And what should I do with the position I am in now? What if I had AQ?

PokerStars No-Limit Hold'em Tourney, Big Blind is t20 (9 handed) converter (http://www.selachian.com/tools/bisonconverter/hhconverter.cgi)

BB (t860)
UTG (t1300)
Hero (t1470)
MP1 (t1570)
MP2 (t2050)
MP3 (t2100)
CO (t1500)
Button (t1420)
SB (t1230)

Preflop: Hero is UTG+1 with Q/images/graemlins/spade.gif, J/images/graemlins/diamond.gif.
UTG calls t20, Hero calls t20, <font color="#666666">2 folds</font>, <font color="#CC3333">MP3 raises to t40</font>, CO calls t40, <font color="#666666">3 folds</font>, UTG calls t20, Hero calls t20.

Flop: (t190) Q/images/graemlins/heart.gif, 2/images/graemlins/heart.gif, 7/images/graemlins/diamond.gif <font color="#0000FF">(4 players)</font>
UTG checks, <font color="#CC3333">Hero bets t200</font>, MP3 calls t200, CO folds, UTG folds.

Turn: (t590) A/images/graemlins/heart.gif <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP3 bets t250</font>, Hero folds.

Final Pot: t840