Charred Broccolini Caesar with Kale and Chickpeas

Name: Charred Broccolini Caesar with Kale and Chickpeas
Ingredients: 1 ½ pounds fresh Broccolini, trimmed, thick stalks halved lengthwise; 2 tablespoons extra-virgin olive oil; ½ teaspoon kosher salt, divided, plus more to taste; ½ teaspoon black pepper, divided, plus more to taste; ½ cup sliced almonds; 6 anchovy fillets, drained; ½ cup mayonnaise; 2 tablespoons red wine vinegar; 1 tablespoon Dijon mustard; ¾ teaspoon grated garlic; 1 (15-ounce) can chickpeas, drained and rinsed; 3 small heads Little Gem lettuce, cored, big leaves torn (about 4 cups); 1 (8-ounce) bunch lacinato kale, stemmed and chopped (4 cups); 1 cup thinly sliced red onion