Am I on tilt?

[Nicok7]

Hi everyone. I am currently having one of my worst serie of the year and I am trying to stay cool. Could you let me know what do you think of this hand? Thanks

Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (10 handed) converter

MP3 (t815)
CO (t885)
Button (t755)
SB (t845)
BB (t800)
Hero (t785)
UTG+1 (t825)
UTG+2 (t800)
MP1 (t720)
MP2 (t770)

Preflop: Hero is UTG with Q[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">Hero raises to t50</font>, <font color="#666666">2 folds</font>, <font color="#CC3333">MP1 raises to t175</font>, MP2 calls t175, MP3 calls t175, <font color="#666666">4 folds</font>, Hero calls t125.

Flop: (t722.50) 8[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
Hero pushes all in, MP1 calls, MP2 folds, MP3 folds.

Turn: (t722.50) 3[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>

River: (t722.50) T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: t722.50

Results in white below: <font color="#FFFFFF">
Hero has Qc Qd (two pair, queens and threes).
MP1 has Ks Kd (two pair, kings and threes).
Outcome: MP1 wins t722.50. </font>