Hey, I found a link for you that shows you what it looks like. I bet you have it growing in your yard already. The article says to plant it in full sun but it grows all over my yard in both sun and shade!
https://wimastergardener.org/article/common-purslane-portulaca-oleracea/
https://wimastergardener.org/article/common-purslane-portulaca-oleracea/