Ah, it's hard when they change n you. the good news is that it's totally normal for young children to need help to sleep, they grow out of it when they're developmentally ready and you do not make a rod for your back if you hold them. All you're doing is giving them what they need and making life easier for yourself.
Hope the HAB works for you guys! It was a godsend with my son (who, by the way, went happily to bed by himself in his own bed when he was good and ready). My daughter preferred the ergo