Fall Inspired Chicken Salad

Name: Fall-Inspired Chicken Salad
Ingredients: 1 large chicken breast, butterflied; 2 tablespoons cajun seasoning; 1/4 cup olive oil; 2 tablespoons apple cider vinegar; 2 tablespoons maple syrup; 2 teaspoons Dijon mustard; 2 teaspoons spicy brown mustard; 1 small shallot, minced; 1 garlic clove, minced; salt and pepper, to taste; mixed salad greens; 1 Granny Smith apple, cored and sliced; 1/4 cup fruit and nut trail mix