1/2 cup fresh orange juice (about 2 oranges) 2 tablespoons orange marmalade 1 tablespoon whole-grain mustard 1 tablespoon canola oil 4 (6-ounce) bone-in pork loin chops (1 inch thick) 1/4 teaspoon kosher salt 1/4 teaspoon freshly ground black pepper 2 rosemary sprigs 1 medium red onion, cut into 1/2-inch wedges…