NL200€: KJ, donk Flop and level myself?

[armi94]

Villain, AirBallZ
17/13 5.1 AF

Unglaublich schlechter Reg. Allerdings rel. passiv postflop (in 3bet Pots vor allem).
Tjoa, wollte mal Flop donken mit TP, da ich hier gegen die Multitable Fische superoft bluffdonken kann. Any comments? I guess std.

Grabbed byHoldem Manager
NL Holdem $1(BB) Replayer
SB ($107)
Hero ($132)
BTN ($255)

Dealt to Hero K J:club:

BTN raises to $3.50, fold, Hero calls $2.50,

FLOP ($7.50) 2:spade: 6:diamond: K:spade:

Hero bets $5, BTN raises to $18.12, Hero calls $13.12,

TURN ($43.74) 2:spade: 6:diamond: K:spade: 3:club:

check, BTN bets $29, Hero calls $29,

RIVER ($101) 2:spade: 6:diamond: K:spade: 3:club: T:diamond:

check, BTN bets $76.30, Hero calls $76.30