No reads, no idea how opp got his stack but seems solid.
Fwiw, i think my hand is under-repped despite my turn bet. Id play a flush draw this way, probably also a set.

Bodog 400nl (dogwatch is broken sry)

UTG $400
Button $641
Villain (sb) $780
Hero (bb) $816

Dealt to hero :Ah: :Qs:
Preflop
UTG folds, button folds, Villain raises to $14, Hero calls.

Flop (Pot $28~)
:Kc: :Jc: :Td:

Villain bets $24, Hero raises to $65, Villain calls.

Turn (Pot $155~)

Villain checks, Hero bets $120, Villain calls.

River (Pot $395~)

Villain checks, Hero bets $250, Villain pushes, Hero?
(Hero has $350 behind)