Cajun Chicken Salad with Cajun Ranch Dressing

Name: Cajun Chicken Salad with Cajun Ranch Dressing
Ingredients: 1 cup ranch dressing (store-bought or homemade, see Notes); ½ teaspoon paprika; ½ teaspoon dried thyme; ¼ teaspoon freshly cracked black pepper (more or less to taste); 1-2 dashes Louisiana-style hot sauce (to taste, see Notes); 1 pound boneless, skinless chicken breasts (sliced into thin cutlets); 1 ½ tablespoons Cajun seasoning (divided); 1 tablespoon neutral oil (avocado oil, olive oil, etc.); 6 cups coarsely chopped romaine lettuce; 1 cup cherry tomatoes (halved); ¼ cup thinly sliced red onion; ½ cup pepper jack cheese chunks (or shredded pepper jack cheese); 1 medium avocado (pit removed, peeled, sliced)