Turning a made hand into a bluff vs Kenny Rap

[Bakes]

Stars 1k, we don't have much history.

Poker Stars, $1,000 + $50 NL Hold'em Tournament, 50/100 Blinds, 9 Players
LeggoPoker.com - Hand History Converter

CO: 2,100
BTN: 1,630
SB: 4,463
BB: 6,425
UTG: 4,262
UTG+1: 8,303
Hero (UTG+2): 4,400
MP1: 5,928
MP2: 3,607

Pre-Flop: (150) 9[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/heart.gif[/img] dealt to Hero (UTG+2)
UTG folds, <font color="red">UTG+1 raises to 303</font>, Hero calls 303, 6 folds

Flop: (756) 8[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/heart.gif[/img] (2 Players)
UTG+1 checks, Hero checks

Turn: (756) J[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">UTG+1 bets 300</font>, <font color="red">Hero raises to 1,150</font>, UTG+1 calls 850

River: (3,056) 3[img]/images/graemlins/heart.gif[/img] (2 Players)
UTG+1 checks, <font color="red">Hero bets 2,947 and is All-In</font>