I had a hunch he would bet the turn if checked to.
My question is the river play. What woudl u do?

Party Poker No-Limit Hold'em, $ Hero (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP ($36.91)
CO ($24.30)
Button ($59.95)
SB ($22.29)
Hero ($25)
UTG ($28.16)

Preflop: Hero is BB with 3, A. SB posts a blind of $0.10.
UTG calls $0.25, 2 folds, Button calls $0.25, SB (poster) completes, Hero checks.

Flop: ($1) K, 3, A (4 players)
SB checks, Hero bets $0.7, UTG calls $0.70, Button folds, SB folds.

Turn: ($2.40) T (2 players)
Hero checks, UTG bets $1, Hero raises to $4.8, UTG calls $3.80.

River: ($12) 7 (2 players)
Hero checks, UTG bets $7.64, Hero calls $7.64.

Final Pot: $27.28