Seeing the odds given by bookies is more profitable for Sporting which has lower odds than Dortmund,it is possible because Sporting will play as the home team in the first leg but Amorim's departure has made Sporting's performance decline drastically in the UCL because they have not won since Amorim left so I prefer Dortmund who will most likely qualify for the last 16, because I saw Dortmund win their last game with the new coach.
Sporting seems to have the advantage because the first match will be played in Portugal. However, Borussia Dortmund will focus more on the Champions League with a new coach and new tactics. Borussia Dortmund is never a team that can be underestimated or seen as simple. It will be a difficult match for Sporting, but I think it will be two balanced teams. I think Borussia Dortmund will be on the field to get a draw in Portugal.
Yes Dortmund should at least get a draw rather than a defeat in the first leg later so that in the second leg they can play more confidently when playing at home and of course Dortmund's chances are greater than Sporting, I also think Dortmund will try hard not to lose in the match and I might bet on a double chance Dormund/draw. Sporting performed well only when coached by Amorim so I think with their current condition they don't have high expectations like at the beginning of the season.