UTG is a huge nit 17/6.

PokerStars No-Limit Hold'em, $1 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

BB ($110.60)
UTG ($123.40)
MP ($237.95)
CO ($157.40)
Hero ($101.80)
SB ($104.10)

Preflop: Hero is Button with 7, 8.
UTG raises to $4, 1 fold, CO calls $4, Hero calls $4, 1 fold, BB calls $3.

Flop: ($16.50) 5, K, T (4 players)
BB checks, UTG checks, CO checks, Hero checks.

Turn: ($16.50) 5 (4 players)
BB checks, UTG bets $11, CO folds, Hero raises to $32...