id say just get her a squier p. its a great begginer bass. or if you think shes going to have trouble with the neck length then just go all out and get her a mustang bass or any shortscale bass. cause if shes 9,then chances are shes going to have trouble reaching with the neck.when i was 17 ,i had a gf that was 14 and i tried to teach her bass and she had real bad problems with reaching and she was only a little bit smaller than me.its not a very uncommon thing,girls just usually have smaller hands so it can be difficult with a long neck so id go with any short scale i could find. sry for rambling,just wanted to help.