Grilled Lamb Chops with Herby Yogurt Sauce

Name: Grilled Lamb Chops with Herby Yogurt Sauce
Ingredients: 1 ½ cups plain whole-milk yogurt; 1 tablespoon minced shallot (from 1 shallot); 2 teaspoons kosher salt, plus more to taste; 1 teaspoon grated lemon zest, plus 1 tablespoon fresh lemon juice (from 1 lemon), divided; 24 baby rib lamb chops (about 3 ounces each); Black pepper, to taste; 1 cup packed mixed fresh tender herbs (such as parsley, dill, and mint leaves), plus more for serving; Cooked couscous and sliced cucumbers, for serving