Buffalo Shrimp Salad with Spicy Pita Croutons

Name: Buffalo Shrimp Salad with Spicy Pita Croutons
Ingredients: 1 small whole-wheat pita; olive oil cooking spray; 1 large pinch chili powder; 1 large pinch garlic powder; 1 large pinch ground black pepper; 1 tbsp barbecue sauce; 1 dash hot sauce (or to taste); 10 large shrimp, boiled; 3 cups romaine lettuce, torn into bite-size pieces; 1 celery stalk, thinly sliced; 1/2 cup shredded red cabbage; 1 cup halved grape tomatoes; 1 tbsp blue cheese, crumbled; DRESSING:; 1 tsp granulated sugar; 1 1/2 tsp white wine vinegar; 2 tbsp water; 2 tbsp nonfat greek yogurt; 2 tbsp light canola mayonnaise