How to proced against mini-raise on drawy board?

[Laetus]

Villain is a complete unknown to me and isn't a grinder for sure. What should we do against his mini-raise?

EverestPoker Game #1713634605: Table Bamako-11 - $2.00/$4.00 - No Limit Hold'em - 15:29:29 - 2007/06/24
Seat 1: relaxrolex ($343.13)
Seat 2: Mux100 ($422.40)
Seat 3: polman77 ($114.66)
Seat 4: fons31 ($454.47)
Seat 5: denise86_ ($448.00)
Seat 6: HERO ($434.90)
denise86_ posts the small blind of $2.00
HERO posts the big blind of $4.00
The button is in seat #4
*** HOLE CARDS ***
Dealt to HERO[A [img]/images/graemlins/diamond.gif[/img] Q [img]/images/graemlins/club.gif[/img]]
relaxrolex calls $4.00
Mux100 folds
polman77 calls $4.00
fons31 calls $4.00
denise86_ folds
HERO raises to $26.00
relaxrolex folds
polman77 folds
fons31 calls $22.00
*** FLOP *** [8 [img]/images/graemlins/heart.gif[/img] Q [img]/images/graemlins/heart.gif[/img] T [img]/images/graemlins/spade.gif[/img]]
HERO bets $48.00
fons31 raises to $96.00
HERO ?