Formula and Acid Reflux

Holly
Hi! My six month old has been diagnosed with acid reflux. The doctor doesn't want to put her on anything because she's happy, healthy, growing, and not in pain. She spits up all day and is on a cows milk based formula. My question is for moms who's littles have acid reflux what have you done to help them or what formulas are your littles on? My doctor said I could switch her to a soy based formula, give her yogurt because some parents have found probiotics help.