Tough AKs hand in the SB facing 3 bets

[Dhani]

Full Tilt $0.25/$0.50 - DHANI posts the small blind of $0.10
HERO *** HOLE CARDS ***
Dealt to HERO [K [img]/images/graemlins/heart.gif[/img] A [img]/images/graemlins/heart.gif[/img]]
2 folds, EP calls, 1 fold,
MP raises to $0.50,CO raises to $0.75
1 fold
HERO calls $0.65, bb folds
EP $0.50, MP raises to $1, CO calls $0.25, HERO calls $0.25, EP calls $0.25
*** FLOP *** [A [img]/images/graemlins/spade.gif[/img] K [img]/images/graemlins/diamond.gif[/img] T [img]/images/graemlins/club.gif[/img]]
HERO checks
EP checks
MP $0.25
CO raises to $0.50
HERO raises to $0.75
EP calls $0.75
MP folds
CO calls $0.25
*** TURN *** [A [img]/images/graemlins/spade.gif[/img] K [img]/images/graemlins/diamond.gif[/img] T [img]/images/graemlins/club.gif[/img]] [4 [img]/images/graemlins/spade.gif[/img]]
HERO bets $0.50
EP calls $0.50
CO raises to $1
HERO calls $0.50
EPcalls $0.50
*** RIVER *** [A [img]/images/graemlins/spade.gif[/img] K [img]/images/graemlins/diamond.gif[/img] T [img]/images/graemlins/club.gif[/img]] [4 [img]/images/graemlins/spade.gif[/img]] [8 [img]/images/graemlins/club.gif[/img]]
HERO checks
EP checks
CO bets $0.50
HERO calls $0.50
EP folds....

I felt rather confused here because the table had shown a mixture of aggressive play with mediocre hands and passive play with strong hands in position.
I could see capping preflop to get max value, but I could easily put one of the latter 2 players on AA-QQ and possibly AKs.

How did I play this?