Villain is a 38/26/1.2

PokerStars 10/20 Hold'em (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Preflop: Hero is CO with Q, T.
2 folds, Hero raises, Button 3-bets, 2 folds, Hero calls.

Flop: (7.50 SB) 7, Q, A (2 players)
Hero checks, Button bets, Hero calls.

Turn: (4.75 BB) 6 (2 players)
Hero checks, Button bets, Hero calls.

River: (6.75 BB) J (2 players)
Hero checks, Button bets, Hero calls.

Final Pot: 8.75 BB

Looks fine to me. Against a TAG, I think you can find a river fold.

What he said.

Because they check behind alot of hands that we beat?

Yep.

Yep

--cm