Live freezeout
Hero has 13k, just above average
Villian from Far East called Pham has just moved to your table, chip leader with 30k, and is button to hero's BB
blinds 300-600, way off the money
Hero on button with

Raises to 1800
SB and BB call
flop

SB checks
Villian long dwell and checks
Hero checks, read is Villain had a piece of it
Turn

check check, Hero bets 3,000 into 3,600 pot leaving himself 8,000+
SB folds
Villian declares "I call, pair of tens" and exposes his cards
He then says "Oh no, I thought it was the end of the hand"
ruling is hand is live but he is held to make no action on the river
He has

River is

giving him two pair counterfeiting hero's hand
He is held to check
Should hero check or bet?