It looks like you're from the US, so you're not eligible to use income for a retirement visa. You can only use income if your embassy in Thailand will certify your income and the US embassy doesn't do that.
You'll need 800,000 baht in a Thai bank account in your name only in order to apply for the first 1-year extension of a non-O retirement visa. You'll likely both need that as I don't believe any of the Thai embassies in the US will sell a trailing spouse non-O visa. So you would both need to qualify on your own.
Your daughter cannot use the same visa as you. She also needs to qualify for her own visa as dependents can only be included until the age of 20.
With your income, it's possible you qualify for an LTR visa which is one of the best visas available.
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