Grilled Radicchio Salad with Yogurt and Hazelnuts recipes

Name: Grilled Radicchio Salad with Yogurt and Hazelnuts recipes
Ingredients: 1 tablespoon olive oil; ¾ cup diced yellow onion (1 small onion); kosher salt; 1 cup whole-fat plain yogurt; 1 tablespoon fresh lemon juice; 1 garlic clove, minced; 1 tablespoon hazelnut-infused oil; 2 tablespoons finely chopped mint; 3 tablespoons olive oil; 1 cup raw hazelnuts, roughly chopped; 1 garlic clove, very thinly sliced; 1 thyme sprig; 2 teaspoons olive oil; 1 head radicchio, cut into 8 wedges; ground black pepper; ¼ cup golden raisins; ¼ cup torn mint leaves, for garnish