Grease a 2 qt. Baking dish with 1 ts. Butter. Arrange fish filets in baking dish. Blend salt, Tabasco Sauce, paprika, and cheddar cheese into sour cream and spread over fish. Top with bread crumbs and dot with remaining 3 ts. Butter. Bake uncovered at 350 F. for 30 min. Or until fish flakes easily with fork.