Big hands, large pots, and protection on the flop

[topspin]

My first orbit at the table, having just gotten on from the waitlist. No specific reads, but table is characterized by a lot of calling and cold-calling. People like to play hands.

Party Poker 1/2 Hold'em (9 max, 9 handed) http://216.119.70.224/converter/hhconverter.pl

Preflop: Hero is UTG+1 with K[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/spade.gif[/img]. CO posts a blind of $1.
UTG calls, <font color="#CC3333">Hero raises</font>, <font color="#666666">2 folds</font>, MP3 calls, CO (poster) calls, Button calls, <font color="#666666">1 fold</font>, BB calls, <font color="#CC3333">UTG 3-bets</font>, <font color="#CC3333">Hero caps</font>, MP3 calls, CO folds, Button calls, BB calls, UTG calls.

Flop: (22.50 SB) K[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(5 players)</font>
BB checks, <font color="#CC3333">UTG bets</font>, Hero ...

Who thinks this is a "wait for the turn" type of hand, and who goes to war right here?

Oh, and anyone bothered by the preflop cap with AKo after the limp-reraise?