My personal preference is rod & reel. But, of the two methods you mentioned, I think juglines would be easier to manage for a new catfisherman. Trotlines can become troublesome if you're not used to running them.
"Decency is not news; it is buried in the obituaries --but it is a force stronger than crime" ~ Robert A. Heinlein, 1952
I can't give legal advice yet, but this site may have some of the answers you need: https://texaslawhelp.org/