Preheat grill on high. Place aluminum foil onto grill.
Microwave (2 minutes) or Boil potatoes (6 minutes) until they are slightly cooked.
Slice potatoes in half.
Place potatoes and onions onto metal skewers. Drizzle with olive oil, seasoning, salt and pepper.
Place onto aluminum foil face down. Grill skewers for 6-8 minutes, flip skewers, cook for another 5 minutes. Continue until potatoes are cooked through.
With a small bowl add yogurt, buffalo sauce, almond milk and garlic powder. Whisk together until fully combined.
Drizzle buffalo dressing over potatoes.
Garnish with fresh chives and blue cheese crumbles if desired.