Live 5/5 deep stacked AA oop

[bigshowmack]

This is a super sticky spot i encountered with AA oop live at Fallsview playing 5/5.

I table changed to this table due to the juicyness, and had been sitting at it for about 45 minutes, and I believe I developed a relatively tight and solid image, only showing down big hands. For this hand in question, I was on the BB with black AA.

Hero (BB) $1100
Donkey (SB) $550
Villain (Button) $3000+

In the short time I had been at the table, villain was playing tremendously well, catching bluffs, making thin value bets, and overall showing himself to be extremely competent. Donkey was on his 3rd or so rebuy, and was an action player.

So, onto the hand in question.

There is 4 limpers in front of me, including button and SB, and I look down at black AA in the BB. I raise to $50, and button and SB both call.

Flop comes Qh 9c 5c

SB checks, I bet $100, button calls pretty quickly, and so does SB.

Turn comes 2s

SB open shoves for $400. I immediately glance to button, and he instinctively reached toward his chips while looking at SB.

What do you do?