HUSNG: Turn play oop in rr pot

[ghettointlectual]

I bet this turn but I am not sure if it is something I should be doing.
Should I ever bet this turn? (note: I play at the lowest limits right now)

What kind of read do I need to bet this turn?

Full Tilt Poker
No Limit Holdem Tournament
Blinds: t10/t20
2 players
Converter

Stack sizes:
SB: t2030
Hero: t970

Pre-flop: (2 players) Hero is BB with Q[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/heart.gif[/img]
SB calls t10 <font color="aaaaaa">(pot was t30)</font>, <font color="#cc0000">Hero raises to t80</font>, SB calls t60 <font color="aaaaaa">(pot was t80)</font>.

Flop: 4[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/spade.gif[/img] (t160, 2 players)
<font color="#cc0000">Hero bets t100</font>, SB calls t100 <font color="aaaaaa">(pot was t260)</font>.

Turn: 9[img]/images/graemlins/diamond.gif[/img] (t360, 2 players)
<font color="#cc0000">Hero bets t180</font>.