Make Egg Mixture: In a large bowl, whisk cream cheese until smooth. Add sour cream, milk, ranch seasoning, and spices. Beat in eggs one at a time until smooth.
Assemble: Sprinkle meats over hash browns. Pour egg mixture over top. Sprinkle with cheese.
Bake: Cover with foil and bake 30 minutes. Remove foil and bake 15 more minutes until center is set.