AJ late in tourney, some input please

Been reading the board for awhile thought you guys might have some thoughts on this hand. This took place in Stars 22$ with 20 or so left.

Raiser was pretty active, raised UTG with K T and called my all in with AK on that hand not getting great odds.

I try to follow the gap concept in these situations but lowered my standards because of what he was showing down

PokerStars Game #2895223234: Tournament #14115991, Hold'em No Limit - Level XIV
(1500/3000) - 2005/10/26 - 00:16:25 (ET)
Table '14115991 66' Seat #9 is the button
Seat 1: King Acehole (92909 in chips)
Seat 2: BCSmut33 (3867 in chips)
Seat 3: redsoxmike (34832 in chips)
Seat 4: DeadDrawin (29730 in chips)
Seat 5: elephant596 (91603 in chips)
Seat 7: AnnaBella04 (31098 in chips)
Seat 8: cheesebob446 (39250 in chips)
Seat 9: Rad13 (42806 in chips)
King Acehole: posts the ante 150
BCSmut33: posts the ante 150
redsoxmike: posts the ante 150
DeadDrawin: posts the ante 150
elephant596: posts the ante 150
AnnaBella04: posts the ante 150
cheesebob446: posts the ante 150
Rad13: posts the ante 150
King Acehole: posts small blind 1500
BCSmut33: posts big blind 3000
*** HOLE CARDS ***
Dealt to cheesebob446 [Jc Ah]
redsoxmike: folds
DeadDrawin: raises 5000 to 8000
elephant596: folds
AnnaBella04: folds
cheesebob446: calls 8000
Rad13: folds
King Acehole: folds
BCSmut33: calls 717 and is all-in
*** FLOP *** [Jh 5d 4s]
DeadDrawin: checks
cheesebob446: bets 21000
DeadDrawin: raises 580 to 21580 and is all-in
cheesebob446: calls 580
*** TURN *** [Jh 5d 4s] [6c]
*** RIVER *** [Jh 5d 4s 6c] [7c]
*** SHOW DOWN ***
DeadDrawin: shows [Kc Ks] (a pair of Kings)
cheesebob446: shows [Jc Ah] (a pair of Jacks)
DeadDrawin collected 51726 from side pot
BCSmut33: shows [Kd Ts] (high card King)
DeadDrawin collected 13851 from main pot