Preheat your oven to 400°F and line a large baking sheet with parchment paper for easy cleanup.
Cut the chicken breast into bite-sized pieces and ensure the cauliflower is broken into small, uniform florets.
In a large mixing bowl, whisk together the melted ghee and buffalo hot sauce until well combined.
Add the cauliflower florets and chicken pieces to the bowl, tossing thoroughly until every piece is coated in the buffalo mixture.
Spread the mixture onto the prepared baking sheet in a single layer, ensuring they are not overcrowded to allow for even roasting.
Roast in the oven for 20 to 25 minutes, flipping halfway through, until the chicken is cooked through and the cauliflower is tender with slightly charred edges.
While the bites roast, prepare the ranch dip by whisking together the Greek yogurt, garlic powder, onion powder, dried dill, sea salt, and black pepper in a small ramekin.
Remove the tray from the oven and serve the warm buffalo bites immediately alongside the cooling ranch dip.