Million-Dollar Spaghetti

Ingredients

• 1 8 ounce package spaghetti
• 1 pound lean ground beef
• 1 16 ounce jar spaghetti sauce
• ½ cup butter (sliced - divided)
• 1 8 ounce container cottage cheese
• 1 8 ounce package cream cheese, softened
• ¼ cup sour cream
• 1 8 ounce package shredded sharp Cheddar cheese