Preheat oven to 350F. Cook pasta in heavily salted boiling water according to package instructions.
Heat oil in a large oven safe skillet over medium heat. Add ground chicken to the warm skillet to cook and break into crumbles as you brown. When its mostly cooked through season with ranch seasoning.
While the pasta and chicken finish cooking, blend cottage cheese, milk, hot sauce, garlic powder and onion powder in a high speed blender or with an immersion blender.
Drain cooked pasta and pour into the skillet along with the chicken and the buffalo cheese sauce. Mix it all together with a flat spatula and top with the shredded cheese
Place in the oven to bake at 350F for 20-25 minutes. Garnish with green onions or chives and serve.