$3 45man - Is this justified?

[ItalianFX]

About 10 hands in, or less. Villain has been very active. He has been playing passively and seems to overvalue his hands, alot.

2 hands before this, he got into a big pot and lost KT to AQ. Next hand, he opened pushed and split A9 vs. A9.

Then this happens:

Poker Stars
No Limit Holdem Tournament
Blinds: t15/t30
8 players
Converter

Stack sizes:
UTG: t2195
Hero: t1470
MP1: t525
MP2: t1340
CO: t1555
Button: t1575
SB: t1670
BB: t1440

Pre-flop: (8 players) Hero is UTG+1 with K[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/spade.gif[/img]
UTG folds, <font color="#cc0000">Hero raises to t90</font>, <font color="#cc0000">MP1 raises all-in t525</font>, 5 folds, Hero calls t435 <font color="aaaaaa">(pot was t660)</font>.

I figured he was tilting. He has been active, just lost a big pot, and his range was probably pretty wide.