nl400 - aces oop vs 2 villains. flop play?

[KingBrian]

PartyPoker Hold'em <font color="#0000FF">(5 handed)</font> HandRecorder

Stacks &amp; Stats
BU ($1,300.35)
CO ($499.05) (36/8/5.00/12) (133h)
MP ($403)
BB ($492.40) (19/14/1.73/34) (1801h)
Hero ($707.50)

Preflop: Hero is SB with A[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/diamond.gif[/img]
<font color="#666666">1 folds</font>, <font color="#FF0000">CO raises to $8</font>, <font color="#666666">1 folds</font>, <font color="#FF0000">Hero raises to $28</font>, BB calls $24, CO calls $20.

Flop: ($84) T[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
hero..

what line is best here?

- bet/push
- bet/fold
- check/call
- check/raise


it seems very standard.but dunno how to act there.