($22s, KQs) What does villain have?

[brimstone1]

Seat 5 is the button
Total number of players : 9
Seat 1: sketchy1 ( $750 )
Seat 2: smoke0420 ( $330 )
Seat 3: Kaloustp ( $1730 )
Seat 4: RoboSuede ( $925 )
Seat 5: HerrFisk ( $1320 )
Seat 6: b_enjamin ( $860 )
Seat 7: HERO ( $800 ) [BB]
Seat 8: HOFF45 ( $610 )
Seat 10: cleanundies ( $675 )
Trny:16862890 Level:1
Blinds(10/15)
** Dealing down cards **
Dealt to HERO [ K[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/heart.gif[/img] ]
<font color="#666666">4 folds</font>.
Kaloustp calls [15].
RoboSuede calls [15].
<font color="#666666">1 fold</font>.
b_enjamin calls [5].
HERO checks.
** Dealing Flop ** [ 4[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/club.gif[/img] ] (Pot:60)
b_enjamin checks.
HERO checks.
<font color="red">Kaloustp bets [300]</font>.
RoboSuede folds.
b_enjamin folds.
HERO cringes, and folds.

I thought about pushing... but thought to myself: what hand other than two pair or a set makes this giant overbet in fear of the flush draw?

What is your experience with Villain here?

Edit: I just noticed that this was my "addict" post. Thanks to everyone here in the STT forum that has helped me. I'm saving my giant information-filled and emotional post for "old hand" and beyond.