Combine thousand Island dressing with horseradish and mustard. Refrigerate.
Pick over crabmeat to remove any bits of shell.
Finely mince celery.
Combine with crab, panko, egg, mayo and Old Bayseasoning. Using hands or a spatula, mix all the ingredients together.
Divide into 6 equal balls and flatten into crab cake.
Heat sauce pan on medium high . Add butter. Once butter stops foaming place cakes in pan and fry for 2-3 minutes on each side, till nicely browned.
Spoon remoulade sauce over crab cakes and serve.