Chicken Tortilla Crunch Salad

Name: Chicken Tortilla Crunch Salad
Ingredients: Canola oil, for grill grates; 1 pound boneless, skinless chicken thighs (4 thighs); 2 tablespoons fajita or taco seasoning; 1 ¼ teaspoon kosher salt, divided; 6 cups shredded napa cabbage (from 1 head cabbage) or a 14-oz. pkg. coleslaw mix; 1 red bell pepper, thinly sliced; ¼ cup mayonnaise; ¼ cup salsa; 2 tablespoons sour cream; 2 cups crushed corn tortilla chips; 1 cup roughly chopped fresh cilantro, plus more for serving; 2 ounces queso fresco or feta cheese, crumbled (about 1/2 cup); ¼ cup roasted, salted pumpkin seeds (pepitas)