1) Season the chicken on both sides with the salt and pepper and place in a zip lock bag or sealed container.
2) Mix the italian dressing, garlic, ranch dressing mix, chili powder, cumin, and kosher salt together and pour over the chicken.
3) Place in the refrigerator and let marinate 6 hours.
4) Remove from marinade and grill on high heat 7-8 minutes per side or until 180 degrees.
5) Place one slice of cheese on each chicken breast to melt then place each cut and cooked breast on each slider bun. Top with dressing, lettuce and tomato.