A super KK fold

[EverettKings]

Super thurs (150/12) on party, very early.

Party Poker No-Limit Hold'em Tourney, Big Blind is t60 (10 handed)

MP2 (t14781)
Hero (t8210)
CO (t7055)
Button (t2162)
SB (t5655)
BB (t7160)
UTG (t4780)
UTG+1 (t8290)
UTG+2 (t12986)
MP1 (t4376)

Preflop: Hero is MP3 with K, K.
<font color="#CC3333">UTG raises to t250</font>, <font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises to t821</font>, <font color="#666666">4 folds</font>, UTG (fairly promptly) calls t571.

Flop: (t1732) J, Q, 7 <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG (thinks for a few secs and) bets t600</font>, Hero calls t600.

Turn: (t2932) 4 <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG (thinks for a few secs and) bets t1000</font>, Hero folds.

Final Pot: t3932

It felt right, but for some reason I cringe folding an overpair early in a mtt when fish abound. Any thoughts welcome.