Callin' down with trips

Villain is 23/18/2.2

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.50/$1
5 players
Converter

Stack sizes:
UTG: $101.35
CO: $55.65
Hero: $103.50
SB: $39
BB: $53.65

Pre-flop: (5 players) Hero is Button with T:club: 9:club:
UTG raises to $3.5, CO folds, Hero calls, 2 folds.

Flop: J:diamond: 2:diamond: 9:spade: ($8.5, 2 players)
UTG bets $6, Hero calls.

Turn: 9:diamond: ($19, 2 players)
UTG bets $15, Hero calls.

River: 6:spade: ($47, 2 players)
UTG bets $36, Hero thinks hard and calls.