TPTK on 3-flush board

Laggyidjit was seeing almost every flop and bringing seemingly everything in with a raise, frequently a minraise (PT: VPIP 87% PFR 49%) he coldcalled tons of preflop raises. Suffice it to say his range was rather large... he was playing high-variance poker and was willing to put his stack in the middle.

No reads on the others.

Party Poker No-Limit Hold'em, $ Hero (9 handed) FTR converter on zerodivide.cx

MP1 ($24.65)
MP2 ($10.55)
MP3 ($57.35)
CO ($3.05)
Button ($22.55)
SB ($22.85)
Hero ($23.90)
UTG ($12.30)
UTG+1 =#A500AF(laggyidjit)/ ($20.78)

Preflop: Hero is BB with K:heart:, A:club:. SB posts a blind of $0.10.
1 fold, UTG+1 =#A500AF(laggyidjit)/ calls $0.25, 2 folds, MP3 calls $0.25, CO calls $0.25, Button calls $0.25, SB (poster) completes, Hero raises to $1.75, UTG+1 =#A500AF(laggyidjit)/ calls $1.75, MP3 calls $1.75, CO calls $2.80 (All-In), Button folds, SB folds, Hero calls $1.05, UTG+1 =#A500AF(laggyidjit)/ calls $1.05, MP3 calls $1.05.

Flop: ($12.70) K:spade:, 2:spade:, 3:spade: (4 players, 1 all-in)
....