nooooooo..dont be paranoic...jajj
The chance of pregnancy from this is extremely low, close to impossible. Though you do need to be aware that pre-ejaculation, the wetness you have on your penis when aroused, does contain sperm in and of itself, so it does not matter if you had ejaculated hours earlier, peed, or what ever else. That's just something to keep in mind for future times.
no there is no chance of pregnancy from that don't worry