I have gone from uke to guitar (played or attempted to play acoustic guitar 15 years ago) and I am really enjoying it.
You have two choices in guitar, steel string acoustic or nylon string classical. It will really boils down to the sound you like and the style of music/playing you prefer. Steel string is associated with strumming and singing but works well with fingerpicking chord melody, think Tommy Emmanuel. Nylon for fingerpicking but can be strummed even with a pick, think Willie Nelson and tons of folk music.
My advice is buy a smaller bodied instrument 1/2 -3/4 size, think Taylor GS mini size in steel or Córdoba Cadete for nylon. You could go smaller like the Cordoba Mini which is the size of a baritone uke with 6 strings. With the 20” scale it is not the best tuned to E-E, standard guitar tuning. It does work although G-G seems best. Don’t make the mistake of buying a narrow necked classical because you think the stretch is easier. It causes problems with fretting cleanly, go 48mm nut width minimum. Feel free to ask any questions I have both steel and nylon guitars now and love both sounds