There is a gown I did just like yours on the Pick-up Bustle page.  It's the first picture on the bottom Slider. 

The bride wanted what is pictured. I did it with only one point and that got the look the bride wanted. To get the rest of the train up more I would have had to do more points. I do not think you can get your train up all the way with just one point. But I do think if your husband can handle hooking one hook I am sure he can do 2 or 3 with no problem. I also bet the photographer has some experience in this area for he has probably seen many a bride in your same situation and photographers are used to helping brides look their best. I'm sure he will offer any help you might need.