Opp's stats at this point were something like 20/7 but sample size is tiny. What's your flop move?

Poker Stars No Limit Holdem Tournament
Blinds: t15/t30
9 players
Converter

Stack sizes:
UTG: t1460
Hero: t1570
MP1: t1170
MP2: t1380
MP3: t1390
CO: t1820
Button: t1560
SB: t2450
BB: t700

Pre-flop: (9 players) Hero is UTG+1 with K A
UTG raises to t90, Hero raises to t250, 7 folds, UTG calls t160 (pot was t385).

Flop: Q T 5 (t545, 2 players)
UTG bets t270, Hero ????