Quick PF ? 25/50NL HU

[gman06]

Villain again is ADZ124, seen him play higher, don't have much recent history before today. At this point, we have been playing about 2 hours and for the most part he hasn't really gotten out of line. He has 3bet me preflop a pretty good amount, but has only four bet 2 times and made it like 1550 after I made it 550 both times. He has yet to push like this tho.

I have been playing really aggressive and 3betting a lot, maybe 1/6 of his opening raises. In the past few minutes nothing crazy has happened, so I don't really get the vibe that this is a frustration/tilt type of push. If people think folding is best, with what range do you call here?

PokerStars No-Limit Hold'em, $50 BB (2 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Button ($19259)
Hero ($7857)

Preflop: Hero is BB with T[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/spade.gif[/img].
<font color="#CC3333">Button raises to $150</font>, <font color="#CC3333">Hero raises to $550</font>, <font color="#CC3333">Button raises to $19259</font>