Based off one hand earlier this session, button seems like a bad lag that over values pairs of any kind. I haven't seen him play a big hand yet. UTG is unknown but looks clearly on a draw.

PokerRoom No-Limit Hold'em, $1 BB (4 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($99)
BB ($101.20)
UTG ($78.50)
Button ($185)

Preflop: Hero is SB with A, T.
UTG calls $1, Button calls $1, Hero completes, BB checks.

Flop: ($3) 7, T, 7 (4 players)
Hero bets $2, BB folds, UTG calls $2, Button raises to $6, UTG calls $4, Hero calls $4.

Turn: ($17) 3 (3 players)
Hero checks, UTG bets $2, Button raises to $12, Hero calls $12, UTG calls $10.

River: ($41) 5 (3 players)
Hero bets $24, UTG folds, Button calls $24.

Final Pot: $89