Foreign Income/Tax Handling

From Jan 2017 to March 2019 I lived/worked in Canada with zero US income. For 2017 and 2018 tax years, I filed a US tax return using form 2555 and excluded my foreign earned income from US taxation. I moved in 2019 back to the USA (I am a US Citizen and CDN Citizen). How do I handle the 2019 income I earned in Canada on my US tax return? Is this a foreign tax credit, or do I continue to process as foreign earned income exclusion?