AK in the bubble

#Game No : 2503887627
***** Hand History for Game 2503887627 *****
NL Texas Hold'em $5 Buy-in + $1 Entry Fee Trny:14678827 Level:9 Blinds(250/500) - Tuesday, August 09, 02:53:25 EDT 2005
Table Table 35291 (Real Money)
Seat 3 is the button
Total number of players : 4
Seat 4: brick3480 ( $1870 )
Seat 5: DAJOSH ( $1600 )
Seat 6: ChocMlkMan ( $2730 )
Seat 3: HERO ( $1800 )
Trny:14678827 Level:9
Blinds(250/500)
** Dealing down cards **
Dealt to HERO [ Ad Ks ]
ChocMlkMan calls [500].
a_walsh70 is all-In [1800].

playing 4 handed is this a good push or not when the limper has more chips than I?