Remove any remaining skin and bones from the salmon (even the canned salmon may have some). Mix the flaked salmon (canned or fresh) with the lemon juice, onion, and dill. Blend in the mayonnaise and whipping cream. Cover and chill. Makes about 1.5 cups of dip. SUGGESTED DIPPERS: Broccoli, Cauliflower, Cucumber, Black Bread, Potato Skins.