AA max value?

[Un4m.gl]

Button (754)
SB (1061)
Hero (1620)

Preflop: Hero is BB with A[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/diamond.gif[/img].
Button calls 50, <font color="#CC3333">SB raises to 150</font>, Hero callst100, Button calls 100.

Flop: (405) 4[img]/images/graemlins/club.gif[/img], 5[img]/images/graemlins/diamond.gif[/img], 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">SB bets 250</font>, Hero calls 250, Button folds.

Turn: (905) T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets 420</font>, <font color="#CC3333">Hero raises to 840</font>, SB folds.

Final Pot: 2160
Hi,it is a 6 handed SNG and both were good players but a little tight because they wanted to get ITM so I tried to catch them.
To risky? How would you get max vlaue from this situation?