Istikhaarah

As salamu alaikum, Is this correct. After praying istikhara it isnt always necessary to have feelings or dreams but rather Allah unfolds events for you to bring you khair. So after reading istikhara whatever happens is khair?

Ummul-Khair

My daughters name is Ummul-Khair. Kindly advise the meaning of her name as i have heard that this name maybe to strong for her as she gets sick very often. Shukran