What the food handler must do with the cooked chili left for over night in the counter is to observe the chili such as looking its appearance and smelling whether it has been spoiled or not. If it looks like it has been spoiled, it is best to properly dispose of it so that no one will attempt to eat or ingest the spoiled food but if it does not show any signs of spoilage, it is best to heat it at the right temperature to ensure that it is well preserved and to kill bacteria exposed to it while it sits overnight.