sorry haven't found a HH for iPoker yet

Villian is a regular who is weakly aggressive, often makes small bets with missed or small hands. I have over 1000 hands with him and he has folded to alot of my check-raises. He doesn't extract much with good hands and pays people off alot.

Just wondering if this hand was out of line being so aggro with the draw? Should I have just called the flop bet to keep the big fish UTG in the pot?

GAME #448369314: Texas Hold'em NL $0.25/$0.50 Table "TURBO" Rockford (8 max)
Seat 1: Big Blind ($16.28 in chips)
Seat 2: Big Fish (UTG)($50.12 in chips)
Seat 4: Villian (UTG+1)($36.95 in chips)
Seat 10: Hero ($60.85 in chips)
Hero: Post SB $0.25
Big Blind: Post BB $0.50
*** HOLE CARDS ***
Dealt to Hero [K Q ]

BigFish: Call $0.50
Villian: Raise $1.00
3-folds
Hero: Call $0.75
Big Blind: Fold
BigFish: Call $0.50
*** FLOP *** [A 6 ]
Hero: Check
Big Fish: Check
Villian: Bet $1.50
Hero: Raise $6.00
BigFish: Folds
Villian: Call $4.50
*** TURN *** [K ]
Hero: Check
Villian: Bet $10.00
Hero: Call $10.00
*** RIVER *** [[Qh] ]
Hero: Check
Villian: Check