5 Handed. Villain has been solid all night. We have been somewhat aggro towards eachother preflop but not many hands have gone to showdown.

Villain is in the SB
Hero is in the BB

Effective stacks of ~$5,500.

Folds to Villain who makes it $85. Hero calls with 9h8h

Pot: $170
Flop: QhJs6h

Villain bets $115
Hero Calls

Pot: $400
Turn: QhJs6h7d

Villain bets $275
Hero calls

Pot: $950
River: QhJs6h7dAh

Villain bets $525
Hero raises to $1500
Villain re-raises all-in. (Just over $3500 more for Hero to call).

Hero ??