blue knight has been pretty aggro 3 handed and i figured he would be firing this turn like 99% of the time, is my line good here?

pokerstars Game #27141571243: Tournament #155233928, $50+$5 Hold'em No Limit - Level XVI (1250/2500) - 2009/04/16 0:26:23 ET
Table '155233928 6' 6-max Seat #1 is the button
Seat 1: FPS_22 (184293 in chips)
Seat 3: x.UnLuCkY.x (107811 in chips)
Seat 5: Blue Knight1 (229896 in chips)
FPS_22: posts the ante 250
x.UnLuCkY.x: posts the ante 250
Blue Knight1: posts the ante 250
x.UnLuCkY.x: posts small blind 1250
Blue Knight1: posts big blind 2500
*** HOLE CARDS ***
Dealt to x.UnLuCkY.x [Ah As]
FPS_22: folds
x.UnLuCkY.x: raises 3750 to 6250
Blue Knight1: calls 3750
*** FLOP *** [6c Kh 2c]
x.UnLuCkY.x: bets 7500
Blue Knight1: calls 7500
*** TURN *** [6c Kh 2c] [4c]
x.UnLuCkY.x: checks
Blue Knight1: bets 15000
x.UnLuCkY.x: raises 78811 to 93811 and is all-in