Weak play or correct laydown?

[joeblo]

#Game No : 2399921550
***** Hand History for Game 2399921550 *****
NL Texas Hold'em $20 Buy-in + $2 Entry Fee Trny:14126650 Level:5 Blinds(75/150) - Thursday, July 21, 14:49:12 EDT 2005
Table Table 13993 (Real Money)
Seat 7 is the button
Total number of players : 6
Seat 2: lilslick777 ( $885 )
Seat 6: HERO ( $1585 )
Seat 4: adam9488 ( $1977 )
Seat 5: DavidAims ( $1040 )
Seat 7: true1biatch ( $1083 )
Seat 1: SMOKEYJOHN ( $1430 )
Trny:14126650 Level:5
Blinds(75/150)
** Dealing down cards **
Dealt to HERO [ Ks As ]
adam9488 folds.
DavidAims is all-In [1040]
HERO folds.
true1biatch folds.
SMOKEYJOHN folds.
lilslick777 folds.
DavidAims does not show cards.
DavidAims wins 1265 chips


The villian has been pretty tight, but I suspected him to be stealing in this situation. Was I being too weak by laying down AKs?