Combine chicken (which has been finely chopped), Neufchatel, onion, sherry, mayonnaise, lemon juice, hot sauce, and nutmeg in container of electric blender; process until smooth. Transfer mixture to a 2 cup mold coated with cooking spray. Cover, and chill overnight. Unmold onto a serving plate. Sprinkle with paprika. Garnish with parsley sprigs, if desired. Serve with crackers.