Press your lips together to stop the air, then release. No vocal cord vibration.

Americans pronounce pier as PEER (/pɪr/). You'll hear it in sentences like "The gear is near the rear of the pier".
Record yourself saying "pier" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 2 sounds. Explore each sound's mouth shape and how it's made.
The textbook way isn't wrong — it's just not how anyone actually says it.
Americans use a relaxed retroflex R — the tongue curls back rather than rolling. The R is one continuous sound with the vowel before it, not two separate sounds.