AK postflop (not a typo)

[MagnoliasFM]

I usually push with AK UTG here, but I wanted to try out a new strategy and decided to slowplay it. After villain minraises I put him on a set or air, with air being much more likely. I don't have a deep enough stack to do anything but push or fold at this point, so I push. How often is villain showing me a set here?

***** Hand History for Game 2506993147 *****
NL Texas Hold'em $30 Buy-in + $3 Entry Fee Trny:14694946 Level:1 Blinds(10/15) - Tuesday, August 09, 19:30:51 EDT 2005
Table Table 11492 (Real Money)
Seat 3 is the button
Total number of players : 8
Seat 1: nikthepic ( $470 )
Seat 2: booyaga ( $755 )
Seat 3: Bud4545111 ( $775 )
Seat 5: AndyDCT ( $785 )
Seat 6: grump122 ( $2740 )
Seat 7: Angelmaster ( $800 )
Seat 9: Ruesink ( $770 )
Seat 10: Try2Act ( $905 )
Trny:14694946 Level:1
Blinds(10/15)
** Dealing down cards **
Dealt to Angelmaster [ Kh Ah ]
Angelmaster raises [50].
Ruesink folds.
Try2Act folds.
nikthepic folds.
booyaga folds.
Bud4545111 folds.
AndyDCT folds.
grump122 calls [35].
** Dealing Flop ** [ 5c, 6s, 8d ]
grump122 checks.
Angelmaster bets [70].
>You have options at Table 12887 Table!.
>You have options at Table 11279 Table!.
grump122 raises [140].
Angelmaster is all-In [680]
>You have options at Table 11649 Table!.
grump122 folds.
Angelmaster does not show cards.
Angelmaster wins 1000 chips