Critical Mistake on stars KK vs. AA

[mojolang]

I felt like this was a critical error given that I was a solid favorite over these unimaginative players. There is really only one hand this guy could have had. My gut told me to fold but I talked myself out saying, "he could have AK." Anyone think this is a calling spot? If I didn't have this guy covered, I don't make the call. I need a backup.

PokerStars Game #1892209330: Tournament #8944904, Hold'em No Limit - Level III (25/50) - 2005/06/13 - 16:50:49 (ET)
Table '8944904 1' Seat #7 is the button
Seat 1: kwik13 (3075 in chips)
Seat 5: BookYuk (1450 in chips)
Seat 7: DEMONTATOR (5025 in chips)
Seat 9: mojo99 (3950 in chips)
mojo99: posts small blind 25
kwik13: posts big blind 50
*** HOLE CARDS ***
Dealt to mojo99 [Ks Kh]
BookYuk said, "hmm"
BookYuk: folds
DEMONTATOR: raises 150 to 200
mojo99: raises 550 to 750
kwik13: raises 2325 to 3075 and is all-in
DEMONTATOR: folds
mojo99: calls 2325
*** FLOP *** [Qh Qd Jd]
mojo99 said, "figured"
*** TURN *** [Qh Qd Jd] [6s]
*** RIVER *** [Qh Qd Jd 6s] [Jh]
*** SHOW DOWN ***
mojo99: shows [Ks Kh] (two pair, Kings and Queens)
kwik13: shows [As Ac] (two pair, Aces and Queens)
kwik13 collected 6350 from pot
*** SUMMARY ***
Total pot 6350 | Rake 0
Board [Qh Qd Jd 6s Jh]
Seat 1: kwik13 (big blind) showed [As Ac] and won (6350) with two pair, Aces and Queens
Seat 5: BookYuk folded before Flop (didn't bet)
Seat 7: DEMONTATOR (button) folded before Flop
Seat 9: mojo99 (small blind) showed [Ks Kh] and lost with two pair, Kings and Queens


Bah.

Joe