I often struggle to find yoghurt for children that is flavoured but not intensely sweetened... though even that's beginning to change in Australia with some great options from a few different brands.
Look at these macros—pretty impressive for a kids food:
http://www.tamarvalleydairy.com.au/wp-content/uploads/Screen...
Unfortunately they only sell it in pouches—no option to buy the same product in a large tub.