I try to keep sugar to a minimum in my diet and made a version of this using orange juice and zest sans peanut butter and chocolate. (davidlebovitz.com)
To keep the sugar to a minimum, I would recommend using no more than a 1/2 cup of dried fruit at the most, and making up the rest with seeds and nuts. (nourisheveryday.com)
Thank you;) It doesn't come out that sweet... but if you want to keep the sugar to a minimum, maybe you can reduce the amount of cranberries or omit them entirely.?? (pureella.com)