btn opens (good pro) to 100
we defend 48dd bb
flop 6h ac 4h (pot 225)
we check, btn bet 89$
turn 5h (pot 403) check check
river js we bet 228$ , whats the tyhinking behind this, what worse hands that villian played the button with folds whats our range here, im guessing its fairly strong like ace x flushes sets, would the button fold jx here?
what are the benifits of betting here over checking ?