Pat the chicken breast pieces dry with a paper towel to ensure maximum crispiness.
In a bowl, toss the chicken with arrowroot powder, garlic powder, onion powder, sea salt, and black pepper until evenly coated.
Heat avocado oil in a large skillet over medium-high heat and cook the chicken for 6-8 minutes until golden brown and cooked through.
While the chicken cooks, whisk together the Greek yogurt, lemon juice, and dried dill in a small bowl to create the high-protein ranch dressing.
Transfer the cooked crispy chicken to a clean bowl and toss thoroughly with the buffalo sauce.
Warm the tortilla slightly in a dry pan, then layer with shredded romaine lettuce, avocado slices, and the buffalo chicken.
Drizzle with the prepared yogurt ranch, fold in the sides, and roll tightly before slicing.