Buffalo Chickpea Salad

Name: Buffalo Chickpea Salad
Ingredients: 2 cans (13.5-oz.) chickpeas, drained and rinsed; 3 tbsp. extra-virgin olive oil; 1/3 c. Franks hot sauce; 2 tbsp. melted unsalted butter; Kosher salt; Freshly ground black pepper; 1/4 c. mayonnaise; 1/4 c. sour cream; 1/4 c. buttermilk; 1/2 tsp. garlic powder; 2 tbsp. freshly chopped parsley; 2 tbsp. freshly chopped dill; 2 tbsp. freshly chopped chives, plus more for garnish; Pinch of cayenne pepper; 8 c. cut romaine lettuce; 2 c. shredded cabbage; 2 stalks celery, thinly sliced; 2 carrots, peeled and very thinly sliced; 1 c. cherry tomatoes, halved; 1 avocado, sliced; 1/2 red onion, thinly sliced; 3/4 c. bleu cheese crumbles