Preheat your oven to 425°F and line a large baking sheet with parchment paper for easy cleanup.
Cut the chicken breast into bite-sized cubes and break the cauliflower into small, uniform florets.
In a large mixing bowl, toss the chicken and cauliflower with olive oil, garlic powder, onion powder, sea salt, and black pepper until every piece is evenly coated.
Spread the mixture in a single layer on the prepared baking sheet, ensuring they aren't crowded so they can crisp up properly.
Roast for 20-25 minutes, or until the chicken is cooked through and the cauliflower edges are golden brown.
While the tray is in the oven, whisk together the Greek yogurt, dried dill, and lemon juice in a small bowl to create a high-protein dipping sauce.
Remove the tray from the oven and drizzle the buffalo sauce over the hot chicken and cauliflower, tossing gently with tongs to glaze.
Serve the crispy bites immediately while warm with the chilled herb yogurt dip on the side.