1. Drain spinach; press between paper towels to remove excess moisture.
2. Combine cream cheese and mayonnaise in a bowl, stirring with a wire whisk until smooth. Add spinach, 1 cup of the Parmesan cheese, onion, and next 4 ingredients; stir well. Spoon into a greased 1-quart casserole.
3. Bake, uncovered, at 350 degrees F. for 10 minutes. Sprinkle with remaining 1/4 cup of parmesan cheese and paprika; bake 10 more minutes.
4. Serve with assorted crackers or party rye bread.
Yields 2-1/4 cups or 36 tablespoons. Nutritional information is for 1 tablespoon of spread.