KK in EP

[tw texas]

1 table 20+2 SnG on Stars, 7 left, I'm in 3rd with ~1900, blinds 25/50

dealt Ks Kh UTG+1, UTG raises to 100, I re-raise to 300, only he calls(T675)

flop comes Jc 9c 6h

UTG checks, I bet 250, he calls(T1175)

turn is 4d

UTG checks, I bet 450, he calls(T2075)

river is 2c

UTG checks, what's my play? and how was my play on each street? results in white

<font color="white">I pushed, UTG called with A6c, and I'm out in 7th</font>