Instructions:

Preheat your oven to 375°F (190°C) and lightly grease a small baking dish. This prevents the dip from sticking and ensures even heating.
In a mixing bowl, combine the softened cream cheese, Buffalo wing sauce, and ranch dressing. Mix until the mixture is smooth and creamy. Softening the cream cheese beforehand helps achieve a uniform texture without lumps.
Fold in the shredded chicken, 1 cup of shredded cheddar cheese, shredded mozzarella, and half of the sliced green onions. Stir gently to evenly distribute the ingredients, which ensures every bite is flavorful.
Spread the mixture evenly into the prepared baking dish, creating a uniform layer for consistent cooking.
Sprinkle the remaining ½ cup of shredded cheddar cheese over the top. This topping melts and browns to create a delicious crust.
Bake the dip for 20 to 25 minutes until it is piping hot and bubbling around the edges. This heat time fully melds the flavors and cooks the dip through.
Remove from the oven and sprinkle the remaining green onions over the top for a fresh, crisp finish. Serve immediately with tortilla chips, celery sticks, or crackers to enjoy at the ideal temperature.

Tips:

Use freshly shredded cheddar cheese instead of pre-shredded to avoid anti-caking agents that can affect melting and texture.
Allow the cream cheese to sit at room temperature for 20 minutes before mixing for easier blending.
For extra cheesiness and a golden top, broil the dip for 1–2 minutes after baking, watching carefully to prevent burning.
Shred the chicken yourself from cooked chicken breasts or rotisserie chicken to control texture and moisture.

Variations:

Spicy Kick: Add a few dashes of hot sauce or finely chopped jalapeños for more heat.
Blue Cheese Twist: Substitute ranch dressing with blue cheese dressing and add crumbled blue cheese to the mix for a classic Buffalo flavor.
Smoky Flavor: Mix in a teaspoon of smoked paprika or chipotle powder for a smoky depth.
Vegetarian Alternative: Replace chicken with cooked, shredded cauliflower or jackfruit and increase the cheese slightly for richness.

Storage:

Buffalo chicken dip stores well in an airtight container in the refrigerator for up to 4 days. When ready to eat, reheat in the oven at 350°F (175°C) for 10–15 minutes until warmed through. Alternatively, microwave individual portions for 1–2 minutes, stirring halfway to ensure even heating. Avoid overheating to prevent drying out the dip.