I am soooo happy for you Aubrey!!! That was so incredibly nice of the breeder to give you Ella's sister!! This is such wonderful news and you two deserve it!! I am so happy for you guys, you two deserve to have such happiness in your lives!!
As for names I like these ones the best....
Hope
Faith
Destiny (i'm partial to this one)
Grace
Miracle ( I really love this one!!)