How Would You Play This AK Hand ?

know I played this pooorly, whats the alternatives?

***** Hand History for Game 32926173473 ***** (Poker Stars)
$50.00 USD NL Texas Hold’em – Wednesday, September 16, 03:27:46 ET 2009
Table Peacock IV (Real Money)
Seat 2 is the button
Seat 1: DrNikRiviera ( $21.30 USD )
Seat 2: Crobot 1 ( $22.75 USD )
Seat 3: jimboss21 ( $48.95 USD )
Seat 4: HERO ( $28.30 USD )
Seat 5: mj99kb ( $50.00 USD )
Seat 6: rafletou13 ( $48.65 USD )
Seat 7: candeee ( $57.95 USD )
Seat 8: Ramjectb2 ( $29.60 USD )
Seat 9: AgnieszkaSt ( $50.35 USD )
jimboss21 posts small blind $0.25 USD.
HERO posts big blind $0.50 USD.
** Dealing down cards **
Dealt to HERO Ks Ad
mj99kb folds
rafletou13 calls $0.50 USD
candeee folds
Ramjectb2 folds
AgnieszkaSt calls $0.50 USD
DrNikRiviera calls $0.50 USD
Crobot 1 raises $3.50 USD
jimboss21 folds
HERO calls $3.00 USD
rafletou13 folds
AgnieszkaSt folds
DrNikRiviera folds
** Dealing Flop ** 4c, 6h, 4d
HERO checks
Crobot 1 bets $4.00 USD
HERO folds
Crobot 1 wins $4.00 USD
Crobot 1 wins $8.35 USD from main pot

Thanks