1st hand, no reads
Party Poker 3/6 Hold'em (9 handed) converter

Preflop: Hero is BB with 7, 7.
UTG raises, 7 folds, Hero calls.

Flop: (4.33 SB) 7, Q, A (2 players)
Hero checks, UTG bets, Hero raises, UTG 3-bets, Hero...?