In saucepan, cook scallops in water over low heat for 10 minutes; drain well.
Divide among 4 individual baking dishes.
Meanwhile, in saucepan, brown mushrooms and cook onion in butter until tender.
Add soup, lemon juice, and seasonings; pour over scallops.
Top with crumbs; sprinkle with paprika.
Bake at 350°F. for 30 minutes or until hot.