Bacon Cream Cheese Baked Spaghetti

Ingredients
4 cups milk
10.5 oz condensed cream of bacon soup
7.5 oz Philadelphia whipped chive cream cheese
1 tsp salt
1 tsp black pepper
1 tbsp garlic powder
1 tbsp onion powder
1 lb spaghetti broken in half
2 cups shredded mozzarella cheese divided
1/2 cup real bacon bits divided
Topping:
2 cups shredded mozzarella cheese
1 tbsp chopped chives
1/2 cup real bacon bits