RG, King Arthur Flour has a great tutorial on sourdough, actually, it's whole section. They also have a recipe box, if you're signed up, no cost, that you can store the recipes from their site that you like. There's a lot of sourdough recipes, plus a whole lot of other recipes for good-to-eat stuff. I'm sure there is at least one sourdough pizza dough recipe there. I've maintained a starter for around 20 years now, and one thing you'll find as you use it, expose it to the flora and fauna in your specific area, it'll take on the wild yeasts, etc. from your area, and it will change. It will become "local".