Am I entitled to anything from him for my special needs child?

You may be entitled to spousal support (depending upon the difference in your annual incomes); Child support (in accordance with the Child Support Guidelines); Apportionment of Special and Extraordinary Expenses (pursuant to s.7 of the Child Support Guidelines; a possible order requiring your spouse to maintain coverage for you and the child going forward; A claim for a division of assets and debts (that is you are entitled to one half of the increase in equity gained from the date of marriage to the date of division or the date of separation: in real property, RRSPs, CPP, employment pensions, savings, investments, and contents of the home. Your best bet is to consult with an experienced lawyer who can provide more fulsome answers and advice upon hearing all of the facts of your situation.