I don't have the answer. I am wanting the answer also. Expecially yogurt! It really does a number on me. Everything I am reading says it's good for acid reflux. It couldn't be further from the truth for me.
Yogurt has cultures. This causes more acid and great digestion for people without acid reflux. It has something to do with the enzymes. Try foods with lots of fiber.
Thanks for the question. You may want to reference this post and its follow-up comments, which speak directly to your question. Of course, if you are having problems nothing beats the advice of your doctor. You should certainly talk to him or her if this is affecting you.