KK in BB..PLEASE advise

[Alpha Fhish]

PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (9 handed) converter

UTG+1 (t6536)
MP1 (t6631)
MP2 (t10068)
MP3 (t10955)
CO (t8987)
Button (t1245)
SB (t4715)
Hero (t6697)
UTG (t7885)

Preflop: Hero is BB with K[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">2 folds</font>, MP1 calls t200, <font color="#CC3333">MP2 raises to t700</font>, <font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises to t2000</font>, MP1 folds, MP2 calls t1300.

Flop: (t4375) 3[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t2000</font>, <font color="#CC3333">MP2 raises to t8043</font>, Hero calls t2672 (All-In).

Turn: (t17090) Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

River: (t17090) 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

Final Pot: t17090

What does the MP2 most likely have? Did he hit set?..and if its determined he did, can there be a justifiable fold? I cant be scared of every flop rite?
ALso please lemme know if there are any leaks in my game.

-Fhish

ps..No one at the MTT is responding... [img]/images/graemlins/frown.gif[/img]