If it works for you, go for it
There is proper form, but noone said you couldnt modify it to fit your body and needs
Thought of a drill that we use to do at my dojo:
Go up and load for a roundhouse kick, dont accually kick just load up for one, try and hold it for as long as possible, and then try again, try and beat your last time, when you can hold it for around 20 seconds, close your eyes and try(this makes it much more difficult), this really helped me with my balance when i was starting out.
-TMK