First, make the ranch dressing by combining all dressing ingredients in a small bowl or container and whisking well. Place in refrigerator while you prep the other ingredients.
Heat a large skillet over medium heat and add in 1 tbsp avocado oil. Season chicken on both sides with salt and pepper. Once the pan is hot, place the chicken in to cook. Cook for 4-5 minutes on each side, until the chicken is cooked through. Remove and place on a cutting board to rest.
Preheat oven to 350° Fahrenheit. Slice onion and set aside.
Prepare Simple Mills pizza dough mix according to the package instructions. You can make one large 16 inch pizza or divide it in half as noted on the package. Prebake for 5 minutes.
While the crust is baking, chop or shred the cooked chicken tenders as desired and place in a bowl. Add in hot sauce and mix well to coat the chicken.
After the crust has baked for 5 minutes, remove it from the oven. Add the ranch dressing to the crust as the base sauce, reserving a couple of tablespoons for drizzling on the pizza after cooking.
Top the pizza with the buffalo chicken and sprinkle on the red onions. Place back in the oven and bake for 15 minutes.
Remove and drizzle on additional ranch over the top of the pizza. Slice into pieces and enjoy!