Mix together the cooked chicken, cooked pasta, cream of chicken soup, cheddar cheese soup, green chiles, salt, pepper, & hot sauce if using. Spread into a crockpot or a 9x13 casserole dish. In the crockpot, cook for 2.5 hours on low - uncover, sprinkle on the cheese, and cook for an additional 15-30 minutes. In the oven, cover with tinfoil & cook on 350 for 25 minutes - then uncover, sprinkle with cheese, and cook for an additional 10 minutes. Top with crushed cheese crackers, if desired.