i understand your problems with e - managment but if you feel that you lack energy all the time maybe mesmer would still be a good sec.
Storm Chaser is nice but wouldnt dark escape be better ?
and you can put return on top of that.
Imo ranger as a secondary for a monk is uncommon, but the most important thing is : Does it work for you ? If yes then fine if not try some of the suggestions i mentioned earlier