AA hand with a small stack

[Davey]

This is the first time I've posted a hand so if it doesn't look great that's why. I play on on TruePoker and had them email me this hand history but they dont give stack sizes. Anyways.

Full ring game NL25 with both blinds at $1
It's only 6 handed at the moment though

I have $22
Button has me covered. by a decent amount but i dont remember exactly how much.

I'm utg+1 and get A [img]/images/graemlins/heart.gif[/img]A [img]/images/graemlins/club.gif[/img] I raise to $5
only button calls. -he's been really fishy. calling raises with J8 off and hitting monsters.

the flop comes 9 [img]/images/graemlins/heart.gif[/img]4 [img]/images/graemlins/diamond.gif[/img]5 [img]/images/graemlins/heart.gif[/img]

I bet out $7 ($12 pot) button calls.

turn K [img]/images/graemlins/club.gif[/img]

I go all-in here for my last $10. button calls.

River 8 [img]/images/graemlins/heart.gif[/img]

final pot $44

he showed J [img]/images/graemlins/heart.gif[/img]7 [img]/images/graemlins/heart.gif[/img] for a rivered flush.



My question is how should i have played the flop?
I usually like to bet about the full pot to keep draws out, but I dont have a very big stack. if i bet $12 i only have $5 left and that will get called easily. plus if the flush hits on the turn I might be able to get away (I wouldn't though this hand because I have the A [img]/images/graemlins/heart.gif[/img])

Should I have just gone all-in on flop?

Button was really fishy so I figure he's calling with a flush draw no matter what.

thanks for any input on this hand