If you want to hire your sister as a live-in caregiver, she will need to meet either the work experience or educational requirements described on this page:
http://www.cic.gc.ca/english/work/caregiver/apply-who.asp
You will also need to meet income requirements.
To find out more information and ask about processing times, you should post in the Foreign Worker section of this forum:
http://www.canadavisa.com/canada-immigration-discussion-board/foreign-workers-b10.0/
