UTG is very solid player. I have been at the table with him for almost an hour and hadn't seen him get out of line.

PokerStars No-Limit Hold'em, $2 BB (5 handed) converter

UTG ($355.70)
MP ($155.75)
Hero ($290.65)
SB ($195)
BB ($52.25)

Preflop: Hero is Button with 4, 4.
UTG raises to $8, Hero calls $8

Flop: ($19) K, A, 4 (2 players)
UTG bets $12, Hero calls $12.

Turn: ($43) K (2 players)
UTG bets $30, Hero calls $30.

River: ($103) 2 (2 players)
UTG bets $75, Hero ?

Any comments on the other streets as well?