Place 2 chicken breasts in reusable bag OR on cutting board, cover with plastic wrap. Flatten with Meat Tenderizer. Combine ½ cup pickle juice and ¼ cup milk, pour over chicken. Marinate 4-24 hours.
Toast ½ cup pepitas over medium heat with 1teaspoon olive oil and 12-1 teaspoon Chili Lime Rub @ 3 minutes, remove from skillet. In same pan, char ½ cup corn, @ 6-7 minutes. Brush 1 poblano and ½ red bell pepper with 1 tbsp olive oil. Bake at 425⁰ F 20-24 minutes, turning halfway, until roasted. Let cool, then chop.
Grate ½ cup EACH Monterey Jack and Cheddar cheeses.
Combine 2 tbsp powdered sugar, 1 tsp Cayenne pepper, ½tsp EACH salt, pepper, Ancho Chile powder, ¼ tsp EACH paprika, onion powder and garlic powder.
Remove chicken from marinade, pat dry. Place rub all over chicken, and, well, rub it in!!
Cook chicken in 2 tbsp oil in Cast Iron Skillet over medium-high heat @3-4 minutes per side, until internal temperature reaches 165⁰ F. Remove from pan, rest meat 10 minutes, then thinly slice.