as there really isn't any muscle on your hips, weight training would probably be of very little help... don't starting putting on lbs till you're quite a few months in to HRT otherwise your body probably won't put it in the right place. You don't want my belly, it's much less flattering.
One option, which I am near certain I am going to proceed with in the future, is fat grafting. have them take as much as they can from my midsection and put whatever is still viable on my hips. for about $10,000 ish, it is similar to a used car... one I can enjoy for years to come! hopefully hahaha
Holy no-caboose! You weight 88lbs at 5'8"? hon, you really need to start eating! oh em gee
edit ~ Sorry, misread. Just wait a few months on HRT and then eat eat eat and pack it away

You will balance out nicely. I wish I had a waist like that!