Along with determining your insurance coverage, the following are some websites you can consult to determine if your family may be eligible for funding:
Québec Supplement for Handicapped Children & Supplement for Handicapped Children Requiring Exceptional Care
https://www.retraitequebec.gouv.qc.ca/en/enfants/enfant-handicape/Pages/enfant-handicape.aspx
Canada Disability Tax Credit
Canada Child Disability Tax Benefit
https://www.canada.ca/en/revenue-agency/services/child-family-benefits/child-disability-benefit.html
Canada Child Benefit
Fondation Noël au Printemps