Heat oven to 400 F.
In bowl, mix shredded chicken, cream cheese, sour cream, 1 1/2 cups shredded cheese, onion powder, garlic powder and dried dill until combined. Add hot sauce; mix until combined.
Transfer mixture from bowl to oven-safe dish. Top with additional shredded cheese, to taste.
Bake until cheese is melted, approximately 15 minutes.
Top with blue cheese crumbles and chopped green onion.
Serve warm with chips and vegetable sticks.