Preheat the oven to 350 degrees F.In a mixing bowl, beat cream cheese for about 1-2 minutes until fluffy. Add the sour cream and beat.Add 2 cups cheddar, green chiles (don't drain), smoked paprika, and pepper.Beat again, then use a spatula to fold in the ham.Scrape the mixture into a pie plate or other 1-quart dish. Spread evenly.Top with 1/2 cup cheddar cheese.Bake at 350 for about 30 minutes, until the top is just starting to brown.Sprinkle with chopped green onions if you like.Serve hot with Ritz crackers and/or toasted baguette slices.