Preheat oven to 425°F (220°C) to ensure even baking.
In a bowl, combine cooked chicken with 1/4 cup buffalo wing sauce. Adjust sauce quantity for preferred spice level. Add ranch dressing and the remaining 1/4 cup buffalo wing sauce and stir thoroughly until chicken is evenly coated.
On a lightly floured work surface, roll out pizza dough into a large rectangle approximately 12×16 inches.
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