Preheat oven to 350 degrees In a skillet on medium high heat, brown ground turkey and onion. Once brown, add salsa, corn, sour cream and 1 cup of shredded cheese.
In a Ziplock bag, crush up corn chips and set aside.
Pre-grease a 9×13 baking dish and pour the mixture in. Add ¾ cup of crushed corn chips and mix together spreading it evenly. Sprinkle ¾ cup of shredded cheese evenly over the top followed by the rest of the corn chips.
Bake in the oven about 10 minutes. Sprinkle the remaining ¾ cup of shredded cheese and add green onion and bake for an additional 10 min. Serve with corn chips and sour cream.