You could stand on a corner and look around until a restaurant sign draws you in. But we've got a better idea. Each week, Clayton-Richmond Heights Patch picks a great restaurant either in town or nearby that is worth checking out. Here's this week's choice: ONESTO PIZZA & TRATTORIA — Just about everyone remembers Lady and the Tramp, the classic Disney movie about two dogs from different backgrounds who meet and fall in love. Perhaps the most memorable scene from the movie involves the two pooches enjoying a dinner of meatballs and spaghetti. If you've ever wanted to relive that moment from …