Chicken Tostadas Recipe

Name: Chicken Tostadas Recipe
Ingredients: 1 med white onion; 1 lb tomatoes, quartered; 2 lrg glaric cloves; 1 or 2 fresh serrano chiles, stemmed; 1/2 c plus 2 tbs veg oil, divided; 3 cups shredded iceberg lettuce; 6 lrg radishes, haved and sliced; 1/2 c chopped cilantro, divided; 1 rotisserie chicken, meat coarsely shredded (4 cups); 6 (6in) corn tortillas; 1 (1lb) can refried beans, heated; 1 avocado, halved, pitted, and peeled; 1/2 c mexican crema or sour cream; 1/4 c crumbled queso anejo or ricotta salata