Yatahay Network - $0.10 NL FAST (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4: http://www.pokertracker.com

BTN: 110.4 BB
Hero (SB): 110.7 BB
BB: 167.2 BB
UTG: 80 BB
MP: 267.7 BB
CO: 59 BB

Hero posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has Ts 9s
UTG raises to 3 BB, fold, fold, fold, Hero raises to 9 BB, fold, UTG calls 6 BB

Flop : (19 BB, 2 players) 7s 9d 2d
Hero checks, UTG checks

Turn : (19 BB, 2 players) Jd
Hero checks, UTG bets 10.9 BB, Hero calls 10.9 BB

River : (40.8 BB, 2 players) Jh
Hero checks, UTG bets 27.2 BB,

I honestly think he just has a Jx hand like AJ a lot here. He also has some flushes. He could just be messing around with AQ or AK, but I don't think he would use that sizing on the river with those hands. Without a diamond I think this is a fold.