Note a bit more detail and document requirements on imm5533 in the section about the sponsor, question 3 - do you and the person you're sponsoring have children together who may have a claim to Canadian citizenship.
You do not include her on imm0008 - it says you include all dependent children "who are not already permanent residents or citizens." (Your daughter is a citizen for the purposes of this form even if you've not yet received the confirmation and she cannot be sponsored).
imm5406 - does not include that language, but all children, regardless of age (ie here one would include dependent children) and status. It's a family information form.