KQs against an unknown raiser. Preflop question

[fretelöo]

Right now I have 15 hands from this guy, so I assume that at play time, this must have been his first hand he raised with, and essentially no really useful stats.

PokerStars 0.10/0.20 Hold'em (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is MP1 with Q[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">UTG raises</font>, <font color="#666666">1 fold</font>, Hero ???

Looks like an auto iso-3-bet?