NL25 - Akward KK given pf and villain

[Everlong]

We are pretty deep. Villain is the only solid player at the table - wouldn't be surprised if he is 2P2.

Honestly don't know where I am at here.
I think he would have 4-bet AA or shoved it...so that leaves me QQ,JJ and AQ? Let's diregard any 8.

Full Tilt Poker - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 6 Players - (LegoPoker HH Converter)

<font color="black">Hero (SB): $51.50</font>
BB: $24.90
UTG: $7.10
<font color="black">MP: $43.55</font>
CO: $47.20
BTN: $23.80

<font color="black">Preflop:</font> Hero is dealt (6 Players)
UTG folds, <font color="red">MP raises to $0.75</font>, CO calls $0.75, BTN folds, <font color="red">Hero raises to $3.20</font>, BB folds, MP calls $2.45, CO folds

<font color="black">Flop:</font> ($7.40) (2 Players)
<font color="red">Hero bets $7.40</font>, MP calls $7.40

<font color="black">Turn:</font> ($22.20) (2 Players)
Hero ?