Preflop vs Shortstacker NL25

[Jailblazers]

Poker Stars, $0.10/$0.25 NL Hold'em Cash Game, 6 Players
LeggoPoker.com - Hand History Converter

CO: $12.35
Hero (BTN): $26
SB: $34.50
BB: $12.60
UTG: $12.70
MP: $34.65

Pre-Flop: A[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/spade.gif[/img] dealt to Hero (BTN)
2 folds, <font color="red">CO raises to $1</font>, <font color="red">Hero raises to $3.50</font>, 2 folds, <font color="red">CO raises to $6</font>, Hero ?


No reads on this guy. However, the previous hand some guy sucked w/ pair or 7s on the flop to his TT on the river so he may be on a little tilt.

I never know what to do in these situations. What would you do?