Bone protrusion on back side of ankle...?

[EJ50]

A couple weeks ago, I had an injury that apparently aggravated a small protrusion on the back of my ankle. Whenever I bend my foot forward, the protrusion pinches my Achilles and that's what causes my pain when I run or jump. The doctor said I was born with this, so I'm not exactly sure why it's only starting to act up now... he said that it might fix itself on it's own, but that I will need surgery if it doesn't. He also said that I can't injure it any further by playing on it (I'm a college volleyball player), so if the pain is tolerable then I could just live with it. Is there anything I can do to calm the irritation, or perhaps fix the problem altogether? I've been doing the RICE thing as much as possible, but it has only helped marginally. I wish this site would let me post a picture of the X-ray... anyway, thank you in advance for any responses. Really hoping to get back on the court and feel 100% as soon as possible.