How should I play this? UTG is solid TAG.

Poker Room skin
No Limit Holdem Ring game
Blinds: $0.25/$0.50
9 players
Converter

Stack sizes:
UTG: $81.10
UTG+1: $12.50
flyingPenguin: $69.75
MP2: $20.65
MP3: $37.25
CO: $50.00
Button: $129.05
SB: $59.75
BB: $49.50

Pre-flop: (9 players) flyingPenguin is MP1 with K A
UTG calls, UTG+1 folds, flyingPenguin raises to $3, 4 folds, SB calls, BB folds, UTG calls.

Flop: 6 K T ($9.5, 3 players)
SB checks, UTG bets $3, flyingPenguin raises to $9, SB calls, UTG calls.

Turn: Q ($36.5, 3 players)
SB checks, UTG bets $5, flyingPenguin raises to $30, SB calls, UTG calls.

River: 8 ($126.5, 3 players)
SB checks, UTG is all-in $39.1, flyingPenguin...