Creamy Tahini Chicken Salad

Name: Creamy Tahini Chicken Salad
Ingredients: 1½ lb. skinless, boneless chicken breasts (about 4 medium); 1 tsp. Diamond Crystal or ½ tsp. Morton kosher salt, plus more; 3 garlic cloves, finely grated; ⅔ cup tahini; ¼ cup fresh lemon juice; 3 Tbsp. Dijon mustard; 1 Tbsp. honey; Freshly ground pepper; 3 celery stalks, finely chopped; 1 small red onion, finely chopped; 1 jalapeño or serrano chile, halved, ribs and seeds removed, finely chopped; ½ cup coarsely chopped tender herbs (such as parsley, dill, and/or tarragon); ⅓ cup coarsely chopped dried fruit (such as Medjool dates, apricots, and/or golden raisins); Butter or Little Gem lettuce leaves or toast (for serving)