Jabeur, a quarterfinalist the past three years in a row and a finalist in Charleston last year, defeated Dolehide in one hour and 21 minutes.
Both players had 13 successful swings, but Badosa made fewer unforced errors than Sherif, who had eight.
Her victory over No. 7 Rybakina gave her 60 career victories in the Top 10, which puts her third among active players behind Venus Williams and Victoria Azarenka.
Rybakina, who was also the champion at Indian Wells earlier this month, is well on her way to become the fifth woman to complete the sunshine double.
Ryabkina had let a set and a 4-1 lead slip but recovered quite well to win the match and set up a last 32 tie clash against Spaniard Paula Badosa.
With her best Miami Open performance to date, she advanced one stage further last year and reached the Round of 16.
Swiatek was the top seed in Miami, and after receiving a first-round bye, she was scheduled to face American Claire Liu in the second round.
The 2021 finalist Andreescu won their first-round match in Rome last year after Raducanu withdrew due to a lower back injury while trailing 6-2, 2-1.
The Kazakh had faced Sabalenka in the final of the Australian Open earlier this year but was defeated 6-4, 3-6, 4-6 back then.
"Two Americans, she definitely has a very bright future, and unfortunately only one of us could win today," Rogers said on court after her win.